13212433421231 has 128 divisors (see below), whose sum is σ = 15489953740800. Its totient is φ = 11163350016000.

The previous prime is 13212433421183. The next prime is 13212433421263.

13212433421231 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 13212433421231 - 2¹⁸ = 13212433159087 is a prime.

It is a super-2 number, since 2×13212433421231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212433420231) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 37857975245 + ... + 37857975593.

It is an arithmetic number, because the mean of its divisors is an integer number (121015263600).

Almost surely, 2^{13212433421231} is an apocalyptic number.

13212433421231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13212433421231 is a deficient number, since it is larger than the sum of its proper divisors (2277520319569).

13212433421231 is a wasteful number, since it uses less digits than its factorization.

13212433421231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817.

The product of its digits is 20736, while the sum is 32.

It can be divided in two parts, 1321243 and 3421231, that added together give a palindrome (4742474).

The spelling of 13212433421231 in words is "thirteen trillion, two hundred twelve billion, four hundred thirty-three million, four hundred twenty-one thousand, two hundred thirty-one".