12615701050 has 24 divisors (see below), whose sum is σ = 23728866300. Its totient is φ = 4989578880.

The previous prime is 12615701047. The next prime is 12615701051. The reversal of 12615701050 is 5010751621.

It can be written as a sum of positive squares in 6 ways, for example, as 7002844489 + 5612856561 = 83683^2 + 74919^2 .

It is a super-2 number, since 2×12615701050² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12615701051) 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, 1413045 + ... + 1421944.

Almost surely, 2^12615701050 is an apocalyptic number.

12615701050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12615701050 is a deficient number, since it is larger than the sum of its proper divisors (11113165250).

12615701050 is a wasteful number, since it uses less digits than its factorization.

12615701050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2835090 (or 2835085 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The spelling of 12615701050 in words is "twelve billion, six hundred fifteen million, seven hundred one thousand, fifty".