133213201312 has 48 divisors (see below), whose sum is σ = 269927163072. Its totient is φ = 64688279040.

The previous prime is 133213201283. The next prime is 133213201397. The reversal of 133213201312 is 213102312331.

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, 285333 + ... + 589780.

It is an arithmetic number, because the mean of its divisors is an integer number (5623482564).

Almost surely, 2^133213201312 is an apocalyptic number.

It is an amenable number.

133213201312 is an abundant number, since it is smaller than the sum of its proper divisors (136713961760).

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

133213201312 is an equidigital number, since it uses as much as digits as its factorization.

133213201312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875261 (or 875253 counting only the distinct ones).

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

Adding to 133213201312 its reverse (213102312331), we get a palindrome (346315513643).

The spelling of 133213201312 in words is "one hundred thirty-three billion, two hundred thirteen million, two hundred one thousand, three hundred twelve".