12550515050 has 12 divisors (see below), whose sum is σ = 23343958086. Its totient is φ = 5020206000.

The previous prime is 12550515023. The next prime is 12550515053. The reversal of 12550515050 is 5051505521.

It can be written as a sum of positive squares in 3 ways, for example, as 9092957449 + 3457557601 = 95357^2 + 58801^2 .

It is a super-4 number, since 4×12550515050⁴ (a number of 41 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (12550515053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125505101 + ... + 125505200.

Almost surely, 2^12550515050 is an apocalyptic number.

12550515050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12550515050 is a deficient number, since it is larger than the sum of its proper divisors (10793443036).

12550515050 is a wasteful number, since it uses less digits than its factorization.

12550515050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251010313 (or 251010308 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 29.

The spelling of 12550515050 in words is "twelve billion, five hundred fifty million, five hundred fifteen thousand, fifty".