213210133312 has 112 divisors (see below), whose sum is σ = 472247366400. Its totient is φ = 94683330560.

The previous prime is 213210133303. The next prime is 213210133337. The reversal of 213210133312 is 213331012312.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 8905614 + ... + 8929522.

Almost surely, 2^213210133312 is an apocalyptic number.

213210133312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213210133312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236123683200).

213210133312 is an abundant number, since it is smaller than the sum of its proper divisors (259037233088).

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

213210133312 is a wasteful number, since it uses less digits than its factorization.

213210133312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24224 (or 24214 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213210133312 its reverse (213331012312), we get a palindrome (426541145624).

The spelling of 213210133312 in words is "two hundred thirteen billion, two hundred ten million, one hundred thirty-three thousand, three hundred twelve".