120012123021 has 8 divisors (see below), whose sum is σ = 182875616064. Its totient is φ = 68578356000.

The previous prime is 120012122801. The next prime is 120012123031. The reversal of 120012123021 is 120321210021.

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

It is not a de Polignac number, because 120012123021 - 2¹⁰ = 120012121997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012123031) 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, 2857431480 + ... + 2857431521.

It is an arithmetic number, because the mean of its divisors is an integer number (22859452008).

Almost surely, 2^120012123021 is an apocalyptic number.

It is an amenable number.

120012123021 is a deficient number, since it is larger than the sum of its proper divisors (62863493043).

120012123021 is an equidigital number, since it uses as much as digits as its factorization.

120012123021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714863011.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 120012123021 its reverse (120321210021), we get a palindrome (240333333042).

The spelling of 120012123021 in words is "one hundred twenty billion, twelve million, one hundred twenty-three thousand, twenty-one".