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1210030113220 = 225179951336211
BaseRepresentation
bin10001100110111011011…
…010100100000111000100
311021200022002010122200021
4101212323122210013010
5124311120202110340
62323514040424524
7153264450154435
oct21467332440704
94250262118607
101210030113220
114271974a9665
12176618778144
138a14a5b9846
14427cc68948c
1521720545e4a
hex119bb6a41c4

1210030113220 has 24 divisors (see below), whose sum is σ = 2541084916608. Its totient is φ = 484007916000.

The previous prime is 1210030113169. The next prime is 1210030113223. The reversal of 1210030113220 is 223110300121.

It is a junction number, because it is equal to n+sod(n) for n = 1210030113194 and 1210030113203.

It is not an unprimeable number, because it can be changed into a prime (1210030113223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3430915 + ... + 3767125.

It is an arithmetic number, because the mean of its divisors is an integer number (105878538192).

Almost surely, 21210030113220 is an apocalyptic number.

1210030113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210030113220 is an abundant number, since it is smaller than the sum of its proper divisors (1331054803388).

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

1210030113220 is a wasteful number, since it uses less digits than its factorization.

1210030113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516171 (or 516169 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1210030113220 its reverse (223110300121), we get a palindrome (1433140413341).

The spelling of 1210030113220 in words is "one trillion, two hundred ten billion, thirty million, one hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 179951 336211 359902 672422 719804 899755 1344844 1681055 1799510 3362110 3599020 6724220 60501505661 121003011322 242006022644 302507528305 605015056610 1210030113220