120023312112012 has 48 divisors (see below), whose sum is σ = 294798514752000. Its totient is φ = 37901530941120.

The previous prime is 120023312111947. The next prime is 120023312112013. The reversal of 120023312112012 is 210211213320021.

It is a self number, because there is not a number n which added to its sum of digits gives 120023312112012.

It is not an unprimeable number, because it can be changed into a prime (120023312112013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11447437 + ... + 19263707.

It is an arithmetic number, because the mean of its divisors is an integer number (6141635724000).

Almost surely, 2^{120023312112012} is an apocalyptic number.

120023312112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120023312112012 is an abundant number, since it is smaller than the sum of its proper divisors (174775202639988).

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

120023312112012 is a wasteful number, since it uses less digits than its factorization.

120023312112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7883646 (or 7883644 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 120023312112012 its reverse (210211213320021), we get a palindrome (330234525432033).

The spelling of 120023312112012 in words is "one hundred twenty trillion, twenty-three billion, three hundred twelve million, one hundred twelve thousand, twelve".