12277520050 has 12 divisors (see below), whose sum is σ = 22836187386. Its totient is φ = 4911008000.

The previous prime is 12277519993. The next prime is 12277520051. The reversal of 12277520050 is 5002577221.

It can be written as a sum of positive squares in 3 ways, for example, as 10953506281 + 1324013769 = 104659^2 + 36387^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12277519994 and 12277520021.

It is not an unprimeable number, because it can be changed into a prime (12277520051) 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, 122775151 + ... + 122775250.

Almost surely, 2^12277520050 is an apocalyptic number.

12277520050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12277520050 is a deficient number, since it is larger than the sum of its proper divisors (10558667336).

12277520050 is a wasteful number, since it uses less digits than its factorization.

12277520050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245550413 (or 245550408 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The spelling of 12277520050 in words is "twelve billion, two hundred seventy-seven million, five hundred twenty thousand, fifty".