213111001100312 has 96 divisors (see below), whose sum is σ = 465098766505920. Its totient is φ = 91278761333760.

The previous prime is 213111001100273. The next prime is 213111001100323. The reversal of 213111001100312 is 213001100111312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5005286768 + ... + 5005329344.

It is an arithmetic number, because the mean of its divisors is an integer number (4844778817770).

Almost surely, 2^{213111001100312} is an apocalyptic number.

It is an amenable number.

213111001100312 is an abundant number, since it is smaller than the sum of its proper divisors (251987765405608).

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

213111001100312 is a wasteful number, since it uses less digits than its factorization.

213111001100312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49921 (or 49910 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 213111001100312 its reverse (213001100111312), we get a palindrome (426112101211624).

The spelling of 213111001100312 in words is "two hundred thirteen trillion, one hundred eleven billion, one million, one hundred thousand, three hundred twelve".