12738433053572 has 6 divisors (see below), whose sum is σ = 22292257843758. Its totient is φ = 6369216526784.

The previous prime is 12738433053571. The next prime is 12738433053581. The reversal of 12738433053572 is 27535033483721.

It can be written as a sum of positive squares in only one way, i.e., 10334643280516 + 2403789773056 = 3214754^2 + 1550416^2 .

It is not an unprimeable number, because it can be changed into a prime (12738433053571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1592304131693 + ... + 1592304131700.

It is an arithmetic number, because the mean of its divisors is an integer number (3715376307293).

Almost surely, 2^{12738433053572} is an apocalyptic number.

It is an amenable number.

12738433053572 is a deficient number, since it is larger than the sum of its proper divisors (9553824790186).

12738433053572 is a wasteful number, since it uses less digits than its factorization.

12738433053572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3184608263397 (or 3184608263395 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 53.

The spelling of 12738433053572 in words is "twelve trillion, seven hundred thirty-eight billion, four hundred thirty-three million, fifty-three thousand, five hundred seventy-two".