133212113100 has 108 divisors (see below), whose sum is σ = 455504726040. Its totient is φ = 32293843200.

The previous prime is 133212113087. The next prime is 133212113107. The reversal of 133212113100 is 1311212331.

133212113100 is a `hidden beast` number, since 1 + 332 + 1 + 21 + 1 + 310 + 0 = 666.

It is a super-2 number, since 2×133212113100² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (133212113107) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6717985 + ... + 6737784.

Almost surely, 2^133212113100 is an apocalyptic number.

133212113100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133212113100 is an abundant number, since it is smaller than the sum of its proper divisors (322292612940).

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

133212113100 is a wasteful number, since it uses less digits than its factorization.

133212113100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13455800 (or 13455790 counting only the distinct ones).

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

Adding to 133212113100 its reverse (1311212331), we get a palindrome (134523325431).

The spelling of 133212113100 in words is "one hundred thirty-three billion, two hundred twelve million, one hundred thirteen thousand, one hundred".