13121132231001 has 8 divisors (see below), whose sum is σ = 17551096490304. Its totient is φ = 8719294729520.

The previous prime is 13121132230991. The next prime is 13121132231027. The reversal of 13121132231001 is 10013223112131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13121132231001 is a prime.

It is a super-2 number, since 2×13121132231001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13121132231041) 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, 7031688366 + ... + 7031690231.

It is an arithmetic number, because the mean of its divisors is an integer number (2193887061288).

Almost surely, 2^{13121132231001} is an apocalyptic number.

It is an amenable number.

13121132231001 is a deficient number, since it is larger than the sum of its proper divisors (4429964259303).

13121132231001 is a wasteful number, since it uses less digits than its factorization.

13121132231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14063378911.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13121132231001 its reverse (10013223112131), we get a palindrome (23134355343132).

The spelling of 13121132231001 in words is "thirteen trillion, one hundred twenty-one billion, one hundred thirty-two million, two hundred thirty-one thousand, one".