133212131320 has 32 divisors (see below), whose sum is σ = 305382532320. Its totient is φ = 52279477120.

The previous prime is 133212131303. The next prime is 133212131357. The reversal of 133212131320 is 23131212331.

It is a junction number, because it is equal to n+sod(n) for n = 133212131291 and 133212131300.

It is a congruent number.

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, 31415836 + ... + 31420075.

It is an arithmetic number, because the mean of its divisors is an integer number (9543204135).

Almost surely, 2^133212131320 is an apocalyptic number.

133212131320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133212131320 is an abundant number, since it is smaller than the sum of its proper divisors (172170401000).

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

133212131320 is a wasteful number, since it uses less digits than its factorization.

133212131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62835975 (or 62835971 counting only the distinct ones).

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

Adding to 133212131320 its reverse (23131212331), we get a palindrome (156343343651).

The spelling of 133212131320 in words is "one hundred thirty-three billion, two hundred twelve million, one hundred thirty-one thousand, three hundred twenty".