13123325252201 has 4 divisors (see below), whose sum is σ = 13895285561172. Its totient is φ = 12351364943232.

The previous prime is 13123325252189. The next prime is 13123325252203. The reversal of 13123325252201 is 10225252332131.

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 8259761040400 + 4863564211801 = 2873980^2 + 2205349^2 .

It is a cyclic number.

It is not a de Polignac number, because 13123325252201 - 2³⁰ = 13122251510377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123325252203) 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, 385980154460 + ... + 385980154493.

It is an arithmetic number, because the mean of its divisors is an integer number (3473821390293).

Almost surely, 2^{13123325252201} is an apocalyptic number.

It is an amenable number.

13123325252201 is a deficient number, since it is larger than the sum of its proper divisors (771960308971).

13123325252201 is an equidigital number, since it uses as much as digits as its factorization.

13123325252201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771960308970.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 13123325252201 its reverse (10225252332131), we get a palindrome (23348577584332).

It can be divided in two parts, 131 and 23325252201, that added together give a palindrome (23325252332).

The spelling of 13123325252201 in words is "thirteen trillion, one hundred twenty-three billion, three hundred twenty-five million, two hundred fifty-two thousand, two hundred one".