112000100120 has 32 divisors (see below), whose sum is σ = 252144630000. Its totient is φ = 44774368128.

The previous prime is 112000100089. The next prime is 112000100141. The reversal of 112000100120 is 21001000211.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 112000100098 and 112000100107.

It is a congruent number.

It is an unprimeable number.

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, 731495 + ... + 871254.

Almost surely, 2^112000100120 is an apocalyptic number.

112000100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112000100120 is an abundant number, since it is smaller than the sum of its proper divisors (140144529880).

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

112000100120 is a wasteful number, since it uses less digits than its factorization.

112000100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604507 (or 1604503 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 112000100120 its reverse (21001000211), we get a palindrome (133001100331).

Subtracting from 112000100120 its reverse (21001000211), we obtain a palindrome (90999099909).

The spelling of 112000100120 in words is "one hundred twelve billion, one hundred thousand, one hundred twenty".