12922940681 has 8 divisors (see below), whose sum is σ = 14770725120. Its totient is φ = 11075568768.

The previous prime is 12922940671. The next prime is 12922940689. The reversal of 12922940681 is 18604922921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12922940681 is a prime.

It is a super-2 number, since 2×12922940681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12922940689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32801 + ... + 164078.

It is an arithmetic number, because the mean of its divisors is an integer number (1846340640).

Almost surely, 2^12922940681 is an apocalyptic number.

It is an amenable number.

12922940681 is a deficient number, since it is larger than the sum of its proper divisors (1847784439).

12922940681 is an equidigital number, since it uses as much as digits as its factorization.

12922940681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206263.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 12922940681 in words is "twelve billion, nine hundred twenty-two million, nine hundred forty thousand, six hundred eighty-one".