213257752312 has 16 divisors (see below), whose sum is σ = 436209039000. Its totient is φ = 96935341920.

The previous prime is 213257752291. The next prime is 213257752319.

213257752312 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213257752319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211691687 + ... + 1211691862.

Almost surely, 2^213257752312 is an apocalyptic number.

213257752312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213257752312 is an abundant number, since it is smaller than the sum of its proper divisors (222951286688).

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

213257752312 is a wasteful number, since it uses less digits than its factorization.

213257752312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423383566 (or 2423383562 counting only the distinct ones).

The product of its digits is 176400, while the sum is 40.

It can be divided in two parts, 213257 and 752312, that added together give a palindrome (965569).

The spelling of 213257752312 in words is "two hundred thirteen billion, two hundred fifty-seven million, seven hundred fifty-two thousand, three hundred twelve".