12522525401 has 4 divisors (see below), whose sum is σ = 12524500404. Its totient is φ = 12520550400.

The previous prime is 12522525371. The next prime is 12522525413. The reversal of 12522525401 is 10452522521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1685923600 + 10836601801 = 41060^2 + 104099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12522525401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12522525461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977960 + ... + 990681.

It is an arithmetic number, because the mean of its divisors is an integer number (3131125101).

Almost surely, 2^12522525401 is an apocalyptic number.

It is an amenable number.

12522525401 is a deficient number, since it is larger than the sum of its proper divisors (1975003).

12522525401 is an equidigital number, since it uses as much as digits as its factorization.

12522525401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975002.

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 12522525401 in words is "twelve billion, five hundred twenty-two million, five hundred twenty-five thousand, four hundred one".