120002312 has 16 divisors (see below), whose sum is σ = 225346860. Its totient is φ = 59909824.

The previous prime is 120002299. The next prime is 120002357. The reversal of 120002312 is 213200021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 87123556 + 32878756 = 9334^2 + 5734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120002293 and 120002302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5663 + ... + 16494.

Almost surely, 2^120002312 is an apocalyptic number.

It is an amenable number.

120002312 is a deficient number, since it is larger than the sum of its proper divisors (105344548).

120002312 is a wasteful number, since it uses less digits than its factorization.

120002312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22840 (or 22836 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 120002312 is about 10954.5566774744. The cubic root of 120002312 is about 493.2455825581.

Adding to 120002312 its reverse (213200021), we get a palindrome (333202333).

The spelling of 120002312 in words is "one hundred twenty million, two thousand, three hundred twelve".