120213210312 has 48 divisors (see below), whose sum is σ = 350621866140. Its totient is φ = 36988679808.

The previous prime is 120213210307. The next prime is 120213210331. The reversal of 120213210312 is 213012312021.

120213210312 is a `hidden beast` number, since 12 + 0 + 21 + 321 + 0 + 312 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 96563076516 + 23650133796 = 310746^2 + 153786^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64215523 + ... + 64217394.

Almost surely, 2^120213210312 is an apocalyptic number.

120213210312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120213210312 is an abundant number, since it is smaller than the sum of its proper divisors (230408655828).

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

120213210312 is a wasteful number, since it uses less digits than its factorization.

120213210312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128432942 (or 128432935 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 120213210312 its reverse (213012312021), we get a palindrome (333225522333).

The spelling of 120213210312 in words is "one hundred twenty billion, two hundred thirteen million, two hundred ten thousand, three hundred twelve".