12146749913 has 16 divisors (see below), whose sum is σ = 13164560640. Its totient is φ = 11169648000.

The previous prime is 12146749877. The next prime is 12146749931. The reversal of 12146749913 is 31994764121.

It is a cyclic number.

It is not a de Polignac number, because 12146749913 - 2¹⁶ = 12146684377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12146749973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113888 + ... + 193038.

It is an arithmetic number, because the mean of its divisors is an integer number (822785040).

Almost surely, 2^12146749913 is an apocalyptic number.

It is an amenable number.

12146749913 is a deficient number, since it is larger than the sum of its proper divisors (1017810727).

12146749913 is a wasteful number, since it uses less digits than its factorization.

12146749913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79408.

The product of its digits is 326592, while the sum is 47.

The spelling of 12146749913 in words is "twelve billion, one hundred forty-six million, seven hundred forty-nine thousand, nine hundred thirteen".