12942167765 has 8 divisors (see below), whose sum is σ = 15531914400. Its totient is φ = 10352858832.

The previous prime is 12942167743. The next prime is 12942167783. The reversal of 12942167765 is 56776124921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12942167765 - 2¹² = 12942163669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40415 + ... + 165884.

It is an arithmetic number, because the mean of its divisors is an integer number (1941489300).

Almost surely, 2^12942167765 is an apocalyptic number.

It is an amenable number.

12942167765 is a deficient number, since it is larger than the sum of its proper divisors (2589746635).

12942167765 is a wasteful number, since it uses less digits than its factorization.

12942167765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218851.

The product of its digits is 1270080, while the sum is 50.

The spelling of 12942167765 in words is "twelve billion, nine hundred forty-two million, one hundred sixty-seven thousand, seven hundred sixty-five".