213031112120 has 16 divisors (see below), whose sum is σ = 479320002360. Its totient is φ = 85212444832.

The previous prime is 213031112059. The next prime is 213031112137. The reversal of 213031112120 is 21211130312.

213031112120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2662888862 + ... + 2662888941.

Almost surely, 2^213031112120 is an apocalyptic number.

213031112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213031112120 is an abundant number, since it is smaller than the sum of its proper divisors (266288890240).

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

213031112120 is a wasteful number, since it uses less digits than its factorization.

213031112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325777814 (or 5325777810 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 213031112120 its reverse (21211130312), we get a palindrome (234242242432).

The spelling of 213031112120 in words is "two hundred thirteen billion, thirty-one million, one hundred twelve thousand, one hundred twenty".