Search a number
-
+
1210112020000 = 25541317436367
BaseRepresentation
bin10001100111000000010…
…011000000111000100000
311021200111210020221122201
4101213000103000320200
5124311302134120000
62323530124142544
7153266463311632
oct21470023007040
94250453227581
101210112020000
11427229762414
12176640097a54
138a161566ab0
14427d94caa52
152172782496a
hex119c04c0e20

1210112020000 has 480 divisors, whose sum is σ = 3474144317952. Its totient is φ = 410683392000.

The previous prime is 1210112019979. The next prime is 1210112020021. The reversal of 1210112020000 is 202110121.

It is an interprime number because it is at equal distance from previous prime (1210112019979) and next prime (1210112020021).

It is a super-2 number, since 2×12101120200002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 190056817 + ... + 190063183.

Almost surely, 21210112020000 is an apocalyptic number.

1210112020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210112020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1737072158976).

1210112020000 is an abundant number, since it is smaller than the sum of its proper divisors (2264032297952).

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

1210112020000 is a wasteful number, since it uses less digits than its factorization.

1210112020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470 (or 6447 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1210112020000 its reverse (202110121), we get a palindrome (1210314130121).

The spelling of 1210112020000 in words is "one trillion, two hundred ten billion, one hundred twelve million, twenty thousand".