13421252001 has 16 divisors (see below), whose sum is σ = 17927795520. Its totient is φ = 8931124800.

The previous prime is 13421251999. The next prime is 13421252011. The reversal of 13421252001 is 10025212431.

It is not a de Polignac number, because 13421252001 - 2¹ = 13421251999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13421252011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7059151 + ... + 7061051.

It is an arithmetic number, because the mean of its divisors is an integer number (1120487220).

Almost surely, 2^13421252001 is an apocalyptic number.

It is an amenable number.

13421252001 is a deficient number, since it is larger than the sum of its proper divisors (4506543519).

13421252001 is a wasteful number, since it uses less digits than its factorization.

13421252001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4976.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 13421252001 its reverse (10025212431), we get a palindrome (23446464432).

The spelling of 13421252001 in words is "thirteen billion, four hundred twenty-one million, two hundred fifty-two thousand, one".