12115037378492 has 12 divisors (see below), whose sum is σ = 21202008638496. Its totient is φ = 6057320624640.

The previous prime is 12115037378489. The next prime is 12115037378497. The reversal of 12115037378492 is 29487373051121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12115037378497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49378484 + ... + 49623227.

It is an arithmetic number, because the mean of its divisors is an integer number (1766834053208).

Almost surely, 2^{12115037378492} is an apocalyptic number.

It is an amenable number.

12115037378492 is a deficient number, since it is larger than the sum of its proper divisors (9086971260004).

12115037378492 is a wasteful number, since it uses less digits than its factorization.

12115037378492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99032308 (or 99032306 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 12115037378492 in words is "twelve trillion, one hundred fifteen billion, thirty-seven million, three hundred seventy-eight thousand, four hundred ninety-two".