12145908619702 has 32 divisors (see below), whose sum is σ = 21514880368800. Its totient is φ = 5069780305920.

The previous prime is 12145908619679. The next prime is 12145908619711. The reversal of 12145908619702 is 20791680954121.

12145908619702 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109966077 + ... + 110076472.

It is an arithmetic number, because the mean of its divisors is an integer number (672340011525).

Almost surely, 2^{12145908619702} is an apocalyptic number.

12145908619702 is a deficient number, since it is larger than the sum of its proper divisors (9368971749098).

12145908619702 is a wasteful number, since it uses less digits than its factorization.

12145908619702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220042768.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 12145908619702 in words is "twelve trillion, one hundred forty-five billion, nine hundred eight million, six hundred nineteen thousand, seven hundred two".