213102130221312 has 72 divisors (see below), whose sum is σ = 567166290319104. Its totient is φ = 71033561217024.

The previous prime is 213102130221287. The next prime is 213102130221349. The reversal of 213102130221312 is 213122031201312.

It is a super-2 number, since 2×213102130221312² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122858193 + ... + 124580655.

Almost surely, 2^{213102130221312} is an apocalyptic number.

It is an amenable number.

213102130221312 is an abundant number, since it is smaller than the sum of its proper divisors (354064160097792).

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

213102130221312 is a wasteful number, since it uses less digits than its factorization.

213102130221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883575 (or 1883561 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 213102130221312 its reverse (213122031201312), we get a palindrome (426224161422624).

The spelling of 213102130221312 in words is "two hundred thirteen trillion, one hundred two billion, one hundred thirty million, two hundred twenty-one thousand, three hundred twelve".