12971943622 has 32 divisors (see below), whose sum is σ = 21561408000. Its totient is φ = 5803855200.

The previous prime is 12971943617. The next prime is 12971943623. The reversal of 12971943622 is 22634917921.

It is a super-3 number, since 3×12971943622³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12971943623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564004 + ... + 586552.

It is an arithmetic number, because the mean of its divisors is an integer number (673794000).

Almost surely, 2^12971943622 is an apocalyptic number.

12971943622 is a deficient number, since it is larger than the sum of its proper divisors (8589464378).

12971943622 is a wasteful number, since it uses less digits than its factorization.

12971943622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22972.

The product of its digits is 326592, while the sum is 46.

The spelling of 12971943622 in words is "twelve billion, nine hundred seventy-one million, nine hundred forty-three thousand, six hundred twenty-two".