12102396621 has 16 divisors (see below), whose sum is σ = 19036643328. Its totient is φ = 6692569200.

The previous prime is 12102396619. The next prime is 12102396641. The reversal of 12102396621 is 12669320121.

It is not a de Polignac number, because 12102396621 - 2¹ = 12102396619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102396641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9294585 + ... + 9295886.

It is an arithmetic number, because the mean of its divisors is an integer number (1189790208).

Almost surely, 2^12102396621 is an apocalyptic number.

It is an amenable number.

12102396621 is a deficient number, since it is larger than the sum of its proper divisors (6934246707).

12102396621 is a wasteful number, since it uses less digits than its factorization.

12102396621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18590512.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 12102396621 in words is "twelve billion, one hundred two million, three hundred ninety-six thousand, six hundred twenty-one".