120321020311312 has 20 divisors (see below), whose sum is σ = 246835034315676. Its totient is φ = 56621656616960.

The previous prime is 120321020311307. The next prime is 120321020311313. The reversal of 120321020311312 is 213113020123021.

It can be written as a sum of positive squares in 2 ways, for example, as 56583853906176 + 63737166405136 = 7522224^2 + 7983556^2 .

It is a super-2 number, since 2×120321020311312² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120321020311313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221178345889 + ... + 221178346432.

Almost surely, 2^{120321020311312} is an apocalyptic number.

It is an amenable number.

120321020311312 is an abundant number, since it is smaller than the sum of its proper divisors (126514014004364).

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

120321020311312 is a wasteful number, since it uses less digits than its factorization.

120321020311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442356692346 (or 442356692340 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 120321020311312 its reverse (213113020123021), we get a palindrome (333434040434333).

The spelling of 120321020311312 in words is "one hundred twenty trillion, three hundred twenty-one billion, twenty million, three hundred eleven thousand, three hundred twelve".