12219187023 has 12 divisors (see below), whose sum is σ = 18417325680. Its totient is φ = 7791945216.

The previous prime is 12219187009. The next prime is 12219187039. The reversal of 12219187023 is 32078191221.

It is not a de Polignac number, because 12219187023 - 2²⁸ = 11950751567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12219187523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29514738 + ... + 29515151.

It is an arithmetic number, because the mean of its divisors is an integer number (1534777140).

Almost surely, 2^12219187023 is an apocalyptic number.

12219187023 is a deficient number, since it is larger than the sum of its proper divisors (6198138657).

12219187023 is a wasteful number, since it uses less digits than its factorization.

12219187023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59029918 (or 59029915 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 12219187023 in words is "twelve billion, two hundred nineteen million, one hundred eighty-seven thousand, twenty-three".