12212432400013 has 4 divisors (see below), whose sum is σ = 12212439389568. Its totient is φ = 12212425410460.

The previous prime is 12212432399971. The next prime is 12212432400023. The reversal of 12212432400013 is 31000423421221.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12212432400013 - 2²⁹ = 12211895529101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212432400023) 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, 1699158 + ... + 5226088.

It is an arithmetic number, because the mean of its divisors is an integer number (3053109847392).

Almost surely, 2^{12212432400013} is an apocalyptic number.

It is an amenable number.

12212432400013 is a deficient number, since it is larger than the sum of its proper divisors (6989555).

12212432400013 is an equidigital number, since it uses as much as digits as its factorization.

12212432400013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989554.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12212432400013 its reverse (31000423421221), we get a palindrome (43212855821234).

The spelling of 12212432400013 in words is "twelve trillion, two hundred twelve billion, four hundred thirty-two million, four hundred thousand, thirteen".