12942661941 has 12 divisors (see below), whose sum is σ = 20394497760. Its totient is φ = 7844037480.

The previous prime is 12942661937. The next prime is 12942661961. The reversal of 12942661941 is 14916624921.

12942661941 is a `hidden beast` number, since 1 + 2 + 9 + 4 + 26 + 619 + 4 + 1 = 666.

It is not a de Polignac number, because 12942661941 - 2² = 12942661937 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12942661931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65366881 + ... + 65367078.

It is an arithmetic number, because the mean of its divisors is an integer number (1699541480).

Almost surely, 2^12942661941 is an apocalyptic number.

12942661941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12942661941 is a deficient number, since it is larger than the sum of its proper divisors (7451835819).

12942661941 is a wasteful number, since it uses less digits than its factorization.

12942661941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130733976 (or 130733973 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The spelling of 12942661941 in words is "twelve billion, nine hundred forty-two million, six hundred sixty-one thousand, nine hundred forty-one".