120020311203312 has 320 divisors, whose sum is σ = 362565834301440. Its totient is φ = 33917428435968.

The previous prime is 120020311203293. The next prime is 120020311203313. The reversal of 120020311203312 is 213302113020021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020311203313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34762893 + ... + 38059155.

It is an arithmetic number, because the mean of its divisors is an integer number (1133018232192).

Almost surely, 2^{120020311203312} is an apocalyptic number.

120020311203312 is a gapful number since it is divisible by the number (12) 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 120020311203312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181282917150720).

120020311203312 is an abundant number, since it is smaller than the sum of its proper divisors (242545523098128).

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

120020311203312 is a wasteful number, since it uses less digits than its factorization.

120020311203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296412 (or 3296406 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 120020311203312 its reverse (213302113020021), we get a palindrome (333322424223333).

The spelling of 120020311203312 in words is "one hundred twenty trillion, twenty billion, three hundred eleven million, two hundred three thousand, three hundred twelve".