1200112690920 has 128 divisors (see below), whose sum is σ = 4229767866240. Its totient is φ = 268556682240.

The previous prime is 1200112690919. The next prime is 1200112690939. The reversal of 1200112690920 is 290962110021.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34951159 + ... + 34985478.

It is an arithmetic number, because the mean of its divisors is an integer number (33045061455).

Almost surely, 2^{1200112690920} is an apocalyptic number.

1200112690920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200112690920 is an abundant number, since it is smaller than the sum of its proper divisors (3029655175320).

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

1200112690920 is a wasteful number, since it uses less digits than its factorization.

1200112690920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69936675 (or 69936671 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 1200112690920 in words is "one trillion, two hundred billion, one hundred twelve million, six hundred ninety thousand, nine hundred twenty".