12501653042 has 8 divisors (see below), whose sum is σ = 18753535596. Its totient is φ = 6250474512.

The previous prime is 12501653009. The next prime is 12501653077. The reversal of 12501653042 is 24035610521.

It can be written as a sum of positive squares in 2 ways, for example, as 10499895961 + 2001757081 = 102469^2 + 44741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12501652996 and 12501653014.

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, 129113 + ... + 204140.

Almost surely, 2^12501653042 is an apocalyptic number.

12501653042 is a deficient number, since it is larger than the sum of its proper divisors (6251882554).

12501653042 is a wasteful number, since it uses less digits than its factorization.

12501653042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352012.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 12501653042 in words is "twelve billion, five hundred one million, six hundred fifty-three thousand, forty-two".