120012022112021 has 16 divisors (see below), whose sum is σ = 130097259692400. Its totient is φ = 110049048465408.

The previous prime is 120012022111981. The next prime is 120012022112027. The reversal of 120012022112021 is 120211220210021.

It can be written as a sum of positive squares in 8 ways, for example, as 17236729137796 + 102775292974225 = 4151714^2 + 10137815^2 .

It is not a de Polignac number, because 120012022112021 - 2⁶ = 120012022111957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012022112027) 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, 1899035 + ... + 15608663.

It is an arithmetic number, because the mean of its divisors is an integer number (8131078730775).

Almost surely, 2^{120012022112021} is an apocalyptic number.

It is an amenable number.

120012022112021 is a deficient number, since it is larger than the sum of its proper divisors (10085237580379).

120012022112021 is a wasteful number, since it uses less digits than its factorization.

120012022112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13714088.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120012022112021 its reverse (120211220210021), we get a palindrome (240223242322042).

The spelling of 120012022112021 in words is "one hundred twenty trillion, twelve billion, twenty-two million, one hundred twelve thousand, twenty-one".