12552532450 has 24 divisors (see below), whose sum is σ = 23353164900. Its totient is φ = 5019840000.

The previous prime is 12552532429. The next prime is 12552532501. The reversal of 12552532450 is 5423525521.

It can be written as a sum of positive squares in 6 ways, for example, as 6620914161 + 5931618289 = 81369^2 + 77017^2 .

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, 205450 + ... + 259450.

Almost surely, 2^12552532450 is an apocalyptic number.

12552532450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12552532450 is a deficient number, since it is larger than the sum of its proper divisors (10800632450).

12552532450 is a wasteful number, since it uses less digits than its factorization.

12552532450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58662 (or 58657 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 12552532450 in words is "twelve billion, five hundred fifty-two million, five hundred thirty-two thousand, four hundred fifty".