13122131001 has 16 divisors (see below), whose sum is σ = 20041190400. Its totient is φ = 7481274768.

The previous prime is 13122130999. The next prime is 13122131027. The reversal of 13122131001 is 10013122131.

It is a happy number.

It is not a de Polignac number, because 13122131001 - 2¹ = 13122130999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13122130001) 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, 702471 + ... + 720908.

It is an arithmetic number, because the mean of its divisors is an integer number (1252574400).

Almost surely, 2^13122131001 is an apocalyptic number.

It is an amenable number.

13122131001 is a deficient number, since it is larger than the sum of its proper divisors (6919059399).

13122131001 is a wasteful number, since it uses less digits than its factorization.

13122131001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423828.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13122131001 its reverse (10013122131), we get a palindrome (23135253132).

The spelling of 13122131001 in words is "thirteen billion, one hundred twenty-two million, one hundred thirty-one thousand, one".