12753021550 has 24 divisors (see below), whose sum is σ = 23841047736. Its totient is φ = 5075310240.

The previous prime is 12753021511. The next prime is 12753021551. The reversal of 12753021550 is 5512035721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12753021551) 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, 637512 + ... + 657211.

It is an arithmetic number, because the mean of its divisors is an integer number (993376989).

Almost surely, 2^12753021550 is an apocalyptic number.

12753021550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12753021550 is a deficient number, since it is larger than the sum of its proper divisors (11088026186).

12753021550 is a wasteful number, since it uses less digits than its factorization.

12753021550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294932 (or 1294927 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The spelling of 12753021550 in words is "twelve billion, seven hundred fifty-three million, twenty-one thousand, five hundred fifty".