12945351722 has 8 divisors (see below), whose sum is σ = 19422871200. Its totient is φ = 6471061324.

The previous prime is 12945351703. The next prime is 12945351733. The reversal of 12945351722 is 22715354921.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12945351722.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797222 + ... + 813297.

It is an arithmetic number, because the mean of its divisors is an integer number (2427858900).

Almost surely, 2^12945351722 is an apocalyptic number.

12945351722 is a deficient number, since it is larger than the sum of its proper divisors (6477519478).

12945351722 is a wasteful number, since it uses less digits than its factorization.

12945351722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614540.

The product of its digits is 151200, while the sum is 41.

The spelling of 12945351722 in words is "twelve billion, nine hundred forty-five million, three hundred fifty-one thousand, seven hundred twenty-two".