120020021200012 has 12 divisors (see below), whose sum is σ = 210035158792200. Its totient is φ = 60009975830816.

The previous prime is 120020021199989. The next prime is 120020021200031. The reversal of 120020021200012 is 210002120020021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120020021199965 and 120020021200001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51864 + ... + 15493312.

It is an arithmetic number, because the mean of its divisors is an integer number (17502929899350).

Almost surely, 2^{120020021200012} is an apocalyptic number.

It is an amenable number.

120020021200012 is a deficient number, since it is larger than the sum of its proper divisors (90015137592188).

120020021200012 is a wasteful number, since it uses less digits than its factorization.

120020021200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17384600 (or 17384598 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120020021200012 its reverse (210002120020021), we get a palindrome (330022141220033).

The spelling of 120020021200012 in words is "one hundred twenty trillion, twenty billion, twenty-one million, two hundred thousand, twelve".