120023223021256 has 16 divisors (see below), whose sum is σ = 225124232895900. Its totient is φ = 59990094249024.

The previous prime is 120023223021139. The next prime is 120023223021257. The reversal of 120023223021256 is 652120322320021.

It can be written as a sum of positive squares in 2 ways, for example, as 97033020085156 + 22990202936100 = 9850534^2 + 4794810^2 .

It is not an unprimeable number, because it can be changed into a prime (120023223021257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2689633995 + ... + 2689678618.

Almost surely, 2^{120023223021256} is an apocalyptic number.

It is an amenable number.

120023223021256 is a deficient number, since it is larger than the sum of its proper divisors (105101009874644).

120023223021256 is a wasteful number, since it uses less digits than its factorization.

120023223021256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5379315408 (or 5379315404 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 120023223021256 its reverse (652120322320021), we get a palindrome (772143545341277).

The spelling of 120023223021256 in words is "one hundred twenty trillion, twenty-three billion, two hundred twenty-three million, twenty-one thousand, two hundred fifty-six".