12521652403 has 8 divisors (see below), whose sum is σ = 14194586000. Its totient is φ = 10950108768.

The previous prime is 12521652373. The next prime is 12521652427. The reversal of 12521652403 is 30425612521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12521652403 - 2²⁹ = 11984781491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12521602403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25347228 + ... + 25347721.

It is an arithmetic number, because the mean of its divisors is an integer number (1774323250).

Almost surely, 2^12521652403 is an apocalyptic number.

12521652403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12521652403 is a deficient number, since it is larger than the sum of its proper divisors (1672933597).

12521652403 is a wasteful number, since it uses less digits than its factorization.

12521652403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50694981.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 12521652403 in words is "twelve billion, five hundred twenty-one million, six hundred fifty-two thousand, four hundred three".