133010131212 has 48 divisors (see below), whose sum is σ = 394104094720. Its totient is φ = 38002894416.

The previous prime is 133010131211. The next prime is 133010131217. The reversal of 133010131212 is 212131010331.

133010131212 is a `hidden beast` number, since 1 + 330 + 10 + 1 + 312 + 12 = 666.

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 (133010131211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87968908 + ... + 87970419.

Almost surely, 2^133010131212 is an apocalyptic number.

133010131212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133010131212 is an abundant number, since it is smaller than the sum of its proper divisors (261093963508).

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

133010131212 is a wasteful number, since it uses less digits than its factorization.

133010131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175939347 (or 175939339 counting only the distinct ones).

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

Adding to 133010131212 its reverse (212131010331), we get a palindrome (345141141543).

The spelling of 133010131212 in words is "one hundred thirty-three billion, ten million, one hundred thirty-one thousand, two hundred twelve".