120021210144120 has 32 divisors (see below), whose sum is σ = 360063630432720. Its totient is φ = 32005656038400.

The previous prime is 120021210144109. The next prime is 120021210144149. The reversal of 120021210144120 is 21441012120021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500088375481 + ... + 500088375720.

Almost surely, 2^{120021210144120} is an apocalyptic number.

120021210144120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021210144120 is an abundant number, since it is smaller than the sum of its proper divisors (240042420288600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120021210144120 is a wasteful number, since it uses less digits than its factorization.

120021210144120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000176751215 (or 1000176751211 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 120021210144120 its reverse (21441012120021), we get a palindrome (141462222264141).

The spelling of 120021210144120 in words is "one hundred twenty trillion, twenty-one billion, two hundred ten million, one hundred forty-four thousand, one hundred twenty".