213133023312 has 80 divisors (see below), whose sum is σ = 600711218688. Its totient is φ = 64578925440.

The previous prime is 213133023287. The next prime is 213133023331. The reversal of 213133023312 is 213320331312.

It is a super-2 number, since 2×213133023312² (a number of 23 digits) contains 22 as substring.

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

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, 7421493 + ... + 7450155.

Almost surely, 2^213133023312 is an apocalyptic number.

213133023312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213133023312 is an abundant number, since it is smaller than the sum of its proper divisors (387578195376).

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

213133023312 is a wasteful number, since it uses less digits than its factorization.

213133023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42768 (or 42762 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 213133023312 its reverse (213320331312), we get a palindrome (426453354624).

The spelling of 213133023312 in words is "two hundred thirteen billion, one hundred thirty-three million, twenty-three thousand, three hundred twelve".