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1210232312130 = 235593251210319
BaseRepresentation
bin10001100111000111011…
…101111001000101000010
311021200211011121102102210
4101213013131321011002
5124312023432442010
62323550102322550
7153302453630562
oct21470735710502
94250734542383
101210232312130
114272906536a6
12176674429456
138a18046397a
144280b480da2
1521733186b20
hex119c7779142

1210232312130 has 64 divisors (see below), whose sum is σ = 2954709964800. Its totient is φ = 317159544000.

The previous prime is 1210232312099. The next prime is 1210232312137. The reversal of 1210232312130 is 312132320121.

It is a junction number, because it is equal to n+sod(n) for n = 1210232312097 and 1210232312106.

It is not an unprimeable number, because it can be changed into a prime (1210232312137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5649111 + ... + 5859429.

It is an arithmetic number, because the mean of its divisors is an integer number (46167343200).

Almost surely, 21210232312130 is an apocalyptic number.

1210232312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210232312130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1477354982400).

1210232312130 is an abundant number, since it is smaller than the sum of its proper divisors (1744477652670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210232312130 is a wasteful number, since it uses less digits than its factorization.

1210232312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213639.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1210232312130 its reverse (312132320121), we get a palindrome (1522364632251).

The spelling of 1210232312130 in words is "one trillion, two hundred ten billion, two hundred thirty-two million, three hundred twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 295 354 590 885 1770 3251 6502 9753 16255 19506 32510 48765 97530 191809 210319 383618 420638 575427 630957 959045 1051595 1150854 1261914 1918090 2103190 2877135 3154785 5754270 6309570 12408821 24817642 37226463 62044105 74452926 124088210 186132315 372264630 683747069 1367494138 2051241207 3418735345 4102482414 6837470690 10256206035 20512412070 40341077071 80682154142 121023231213 201705385355 242046462426 403410770710 605116156065 1210232312130