120012112000021 has 8 divisors (see below), whose sum is σ = 120753202610880. Its totient is φ = 119271080169792.

The previous prime is 120012112000019. The next prime is 120012112000043. The reversal of 120012112000021 is 120000211210021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120012112000021 - 2¹ = 120012112000019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120012111999965 and 120012112000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012112000721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10595641 + ... + 18769438.

It is an arithmetic number, because the mean of its divisors is an integer number (15094150326360).

Almost surely, 2^{120012112000021} is an apocalyptic number.

It is an amenable number.

120012112000021 is a deficient number, since it is larger than the sum of its proper divisors (741090610859).

120012112000021 is a wasteful number, since it uses less digits than its factorization.

120012112000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29390315.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120012112000021 its reverse (120000211210021), we get a palindrome (240012323210042).

The spelling of 120012112000021 in words is "one hundred twenty trillion, twelve billion, one hundred twelve million, twenty-one", and thus it is an aban number.