133021131210 has 96 divisors (see below), whose sum is σ = 377436646080. Its totient is φ = 32235552000.

The previous prime is 133021131181. The next prime is 133021131227. The reversal of 133021131210 is 12131120331.

133021131210 is a `hidden beast` number, since 1 + 330 + 2 + 11 + 312 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2798926 + ... + 2846054.

It is an arithmetic number, because the mean of its divisors is an integer number (3931631730).

Almost surely, 2^133021131210 is an apocalyptic number.

133021131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133021131210 is an abundant number, since it is smaller than the sum of its proper divisors (244415514870).

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

133021131210 is a wasteful number, since it uses less digits than its factorization.

133021131210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50004 (or 50001 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 133021131210 its reverse (12131120331), we get a palindrome (145152251541).

The spelling of 133021131210 in words is "one hundred thirty-three billion, twenty-one million, one hundred thirty-one thousand, two hundred ten".