112012020100 has 36 divisors (see below), whose sum is σ = 248718792784. Its totient is φ = 43762834080.

The previous prime is 112012020077. The next prime is 112012020161. The reversal of 112012020100 is 1020210211.

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 (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13020354 + ... + 13028953.

Almost surely, 2^112012020100 is an apocalyptic number.

112012020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112012020100 is an abundant number, since it is smaller than the sum of its proper divisors (136706772684).

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

112012020100 is a wasteful number, since it uses less digits than its factorization.

112012020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26049364 (or 26049357 counting only the distinct ones).

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

Adding to 112012020100 its reverse (1020210211), we get a palindrome (113032230311).

The spelling of 112012020100 in words is "one hundred twelve billion, twelve million, twenty thousand, one hundred".