133212412423401 has 4 divisors (see below), whose sum is σ = 177616549897872. Its totient is φ = 88808274948932.

The previous prime is 133212412423333. The next prime is 133212412423423. The reversal of 133212412423401 is 104324214212331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133212412423401 - 2⁹ = 133212412422889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133212412423471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22202068737231 + ... + 22202068737236.

It is an arithmetic number, because the mean of its divisors is an integer number (44404137474468).

Almost surely, 2^{133212412423401} is an apocalyptic number.

It is an amenable number.

133212412423401 is a deficient number, since it is larger than the sum of its proper divisors (44404137474471).

133212412423401 is an equidigital number, since it uses as much as digits as its factorization.

133212412423401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44404137474470.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 133212412423401 its reverse (104324214212331), we get a palindrome (237536626635732).

The spelling of 133212412423401 in words is "one hundred thirty-three trillion, two hundred twelve billion, four hundred twelve million, four hundred twenty-three thousand, four hundred one".