12520211401 has 8 divisors (see below), whose sum is σ = 12844846080. Its totient is φ = 12197098032.

The previous prime is 12520211393. The next prime is 12520211449. The reversal of 12520211401 is 10411202521.

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 12520211401 - 2³ = 12520211393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12520211461) 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, 363646 + ... + 396583.

It is an arithmetic number, because the mean of its divisors is an integer number (1605605760).

Almost surely, 2^12520211401 is an apocalyptic number.

It is an amenable number.

12520211401 is a deficient number, since it is larger than the sum of its proper divisors (324634679).

12520211401 is an equidigital number, since it uses as much as digits as its factorization.

12520211401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760655.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 12520211401 its reverse (10411202521), we get a palindrome (22931413922).

The spelling of 12520211401 in words is "twelve billion, five hundred twenty million, two hundred eleven thousand, four hundred one".