12258297050 has 24 divisors (see below), whose sum is σ = 22953469500. Its totient is φ = 4870407680.

The previous prime is 12258297031. The next prime is 12258297059. The reversal of 12258297050 is 5079285221.

It can be written as a sum of positive squares in 6 ways, for example, as 1994783569 + 10263513481 = 44663^2 + 101309^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12258296989 and 12258297007.

It is not an unprimeable number, because it can be changed into a prime (12258297059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 815255 + ... + 830154.

Almost surely, 2^12258297050 is an apocalyptic number.

12258297050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12258297050 is a deficient number, since it is larger than the sum of its proper divisors (10695172450).

12258297050 is a wasteful number, since it uses less digits than its factorization.

12258297050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645570 (or 1645565 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 12258297050 in words is "twelve billion, two hundred fifty-eight million, two hundred ninety-seven thousand, fifty".