12664142442 has 24 divisors (see below), whose sum is σ = 31358829216. Its totient is φ = 3618326376.

The previous prime is 12664142431. The next prime is 12664142453. The reversal of 12664142442 is 24424146621.

12664142442 is a `hidden beast` number, since 1 + 2 + 6 + 641 + 4 + 2 + 4 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (12664142431) and next prime (12664142453).

It is a junction number, because it is equal to n+sod(n) for n = 12664142397 and 12664142406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50254408 + ... + 50254659.

It is an arithmetic number, because the mean of its divisors is an integer number (1306617884).

Almost surely, 2^12664142442 is an apocalyptic number.

12664142442 is an abundant number, since it is smaller than the sum of its proper divisors (18694686774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12664142442 is a wasteful number, since it uses less digits than its factorization.

12664142442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100509082 (or 100509079 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The spelling of 12664142442 in words is "twelve billion, six hundred sixty-four million, one hundred forty-two thousand, four hundred forty-two".