133413401212 has 48 divisors (see below), whose sum is σ = 289114964992. Its totient is φ = 52455107520.

The previous prime is 133413401201. The next prime is 133413401257. The reversal of 133413401212 is 212104314331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064964 + ... + 1183627.

Almost surely, 2^133413401212 is an apocalyptic number.

It is an amenable number.

133413401212 is an abundant number, since it is smaller than the sum of its proper divisors (155701563780).

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

133413401212 is a wasteful number, since it uses less digits than its factorization.

133413401212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248778 (or 2248776 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 133413401212 its reverse (212104314331), we get a palindrome (345517715543).

The spelling of 133413401212 in words is "one hundred thirty-three billion, four hundred thirteen million, four hundred one thousand, two hundred twelve".