133401443412 has 12 divisors (see below), whose sum is σ = 311270034656. Its totient is φ = 44467147800.

The previous prime is 133401443389. The next prime is 133401443431. The reversal of 133401443412 is 214344104331.

133401443412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 133401443412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5558393464 + ... + 5558393487.

Almost surely, 2^133401443412 is an apocalyptic number.

133401443412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133401443412 is an abundant number, since it is smaller than the sum of its proper divisors (177868591244).

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

133401443412 is a wasteful number, since it uses less digits than its factorization.

133401443412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11116786958 (or 11116786956 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 133401443412 its reverse (214344104331), we get a palindrome (347745547743).

The spelling of 133401443412 in words is "one hundred thirty-three billion, four hundred one million, four hundred forty-three thousand, four hundred twelve".