13212630243491 has 16 divisors (see below), whose sum is σ = 15119167795200. Its totient is φ = 11310850080288.

The previous prime is 13212630243433. The next prime is 13212630243581. The reversal of 13212630243491 is 19434203621231.

It is a cyclic number.

It is not a de Polignac number, because 13212630243491 - 2¹⁰ = 13212630242467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13212630242491) 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 15 ways as a sum of consecutive naturals, for example, 62896730 + ... + 63106448.

It is an arithmetic number, because the mean of its divisors is an integer number (944947987200).

Almost surely, 2^{13212630243491} is an apocalyptic number.

13212630243491 is a deficient number, since it is larger than the sum of its proper divisors (1906537551709).

13212630243491 is a wasteful number, since it uses less digits than its factorization.

13212630243491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221018.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 13212630243491 in words is "thirteen trillion, two hundred twelve billion, six hundred thirty million, two hundred forty-three thousand, four hundred ninety-one".