133212054400 has 96 divisors (see below), whose sum is σ = 348432922080. Its totient is φ = 50150400000.

The previous prime is 133212054329. The next prime is 133212054439. The reversal of 133212054400 is 4450212331.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1169976 + ... + 1278775.

It is an arithmetic number, because the mean of its divisors is an integer number (3629509605).

Almost surely, 2^133212054400 is an apocalyptic number.

133212054400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133212054400 is an abundant number, since it is smaller than the sum of its proper divisors (215220867680).

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

133212054400 is a wasteful number, since it uses less digits than its factorization.

133212054400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448792 (or 2448775 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 133212054400 its reverse (4450212331), we get a palindrome (137662266731).

The spelling of 133212054400 in words is "one hundred thirty-three billion, two hundred twelve million, fifty-four thousand, four hundred".