12690852448 has 24 divisors (see below), whose sum is σ = 24987758040. Its totient is φ = 6344755200.

The previous prime is 12690852437. The next prime is 12690852463. The reversal of 12690852448 is 84425809621.

It is a super-2 number, since 2×12690852448² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 447063 + ... + 474601.

It is an arithmetic number, because the mean of its divisors is an integer number (1041156585).

Almost surely, 2^12690852448 is an apocalyptic number.

It is an amenable number.

12690852448 is a deficient number, since it is larger than the sum of its proper divisors (12296905592).

12690852448 is a wasteful number, since it uses less digits than its factorization.

12690852448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41950 (or 41942 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 12690852448 in words is "twelve billion, six hundred ninety million, eight hundred fifty-two thousand, four hundred forty-eight".