120011112012 has 72 divisors (see below), whose sum is σ = 313604787888. Its totient is φ = 35680810880.

The previous prime is 120011111963. The next prime is 120011112017. The reversal of 120011112012 is 210211110021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (120011112017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 702783 + ... + 856694.

It is an arithmetic number, because the mean of its divisors is an integer number (4355622054).

Almost surely, 2^120011112012 is an apocalyptic number.

120011112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120011112012 is an abundant number, since it is smaller than the sum of its proper divisors (193593675876).

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

120011112012 is a wasteful number, since it uses less digits than its factorization.

120011112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559559 (or 1559546 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120011112012 its reverse (210211110021), we get a palindrome (330222222033).

The spelling of 120011112012 in words is "one hundred twenty billion, eleven million, one hundred twelve thousand, twelve".