120212312120 has 64 divisors (see below), whose sum is σ = 279921657600. Its totient is φ = 46413987840.

The previous prime is 120212312111. The next prime is 120212312131. The reversal of 120212312120 is 21213212021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357752 + ... + 606968.

It is an arithmetic number, because the mean of its divisors is an integer number (4373775900).

Almost surely, 2^120212312120 is an apocalyptic number.

120212312120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120212312120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139960828800).

120212312120 is an abundant number, since it is smaller than the sum of its proper divisors (159709345480).

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

120212312120 is a wasteful number, since it uses less digits than its factorization.

120212312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249648 (or 249644 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 120212312120 its reverse (21213212021), we get a palindrome (141425524141).

The spelling of 120212312120 in words is "one hundred twenty billion, two hundred twelve million, three hundred twelve thousand, one hundred twenty".