12430500020644 has 6 divisors (see below), whose sum is σ = 21753375036134. Its totient is φ = 6215250010320.

The previous prime is 12430500020579. The next prime is 12430500020677. The reversal of 12430500020644 is 44602000503421.

It can be written as a sum of positive squares in only one way, i.e., 12428008014244 + 2492006400 = 3525338^2 + 49920^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1553812502577 + ... + 1553812502584.

Almost surely, 2^{12430500020644} is an apocalyptic number.

It is an amenable number.

12430500020644 is a deficient number, since it is larger than the sum of its proper divisors (9322875015490).

12430500020644 is a wasteful number, since it uses less digits than its factorization.

12430500020644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107625005165 (or 3107625005163 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 12430500020644 in words is "twelve trillion, four hundred thirty billion, five hundred million, twenty thousand, six hundred forty-four".