12097745636 has 6 divisors (see below), whose sum is σ = 21171054870. Its totient is φ = 6048872816.

The previous prime is 12097745633. The next prime is 12097745657. The reversal of 12097745636 is 63654779021.

It can be written as a sum of positive squares in only one way, i.e., 6124001536 + 5973744100 = 78256^2 + 77290^2 .

It is not an unprimeable number, because it can be changed into a prime (12097745633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512218201 + ... + 1512218208.

It is an arithmetic number, because the mean of its divisors is an integer number (3528509145).

Almost surely, 2^12097745636 is an apocalyptic number.

It is an amenable number.

12097745636 is a deficient number, since it is larger than the sum of its proper divisors (9073309234).

12097745636 is a wasteful number, since it uses less digits than its factorization.

12097745636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024436413 (or 3024436411 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 12097745636 in words is "twelve billion, ninety-seven million, seven hundred forty-five thousand, six hundred thirty-six".