133231412412 has 60 divisors (see below), whose sum is σ = 398049411760. Its totient is φ = 38066117184.

The previous prime is 133231412411. The next prime is 133231412437. The reversal of 133231412412 is 214214132331.

133231412412 is a `hidden beast` number, since 1 + 3 + 3 + 231 + 4 + 12 + 412 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133231412411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29369737 + ... + 29374272.

Almost surely, 2^133231412412 is an apocalyptic number.

133231412412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133231412412 is an abundant number, since it is smaller than the sum of its proper divisors (264817999348).

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

133231412412 is a wasteful number, since it uses less digits than its factorization.

133231412412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58744032 (or 58744021 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 133231412412 its reverse (214214132331), we get a palindrome (347445544743).

The spelling of 133231412412 in words is "one hundred thirty-three billion, two hundred thirty-one million, four hundred twelve thousand, four hundred twelve".