12750142550 has 24 divisors (see below), whose sum is σ = 23721356736. Its totient is φ = 5098747040.

The previous prime is 12750142541. The next prime is 12750142571. The reversal of 12750142550 is 5524105721.

It is a super-2 number, since 2×12750142550² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177179 + ... + 238521.

It is an arithmetic number, because the mean of its divisors is an integer number (988389864).

Almost surely, 2^12750142550 is an apocalyptic number.

12750142550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12750142550 is a deficient number, since it is larger than the sum of its proper divisors (10971214186).

12750142550 is a wasteful number, since it uses less digits than its factorization.

12750142550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65512 (or 65507 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The spelling of 12750142550 in words is "twelve billion, seven hundred fifty million, one hundred forty-two thousand, five hundred fifty".