213000031312120 has 64 divisors (see below), whose sum is σ = 516219711416640. Its totient is φ = 78630279552000.

The previous prime is 213000031312091. The next prime is 213000031312153. The reversal of 213000031312120 is 21213130000312.

213000031312120 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38792421 + ... + 43941460.

It is an arithmetic number, because the mean of its divisors is an integer number (8065932990885).

Almost surely, 2^{213000031312120} is an apocalyptic number.

213000031312120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213000031312120 is an abundant number, since it is smaller than the sum of its proper divisors (303219680104520).

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

213000031312120 is a wasteful number, since it uses less digits than its factorization.

213000031312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82738856 (or 82738852 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213000031312120 its reverse (21213130000312), we get a palindrome (234213161312432).

The spelling of 213000031312120 in words is "two hundred thirteen trillion, thirty-one million, three hundred twelve thousand, one hundred twenty".