13001121001232 has 80 divisors (see below), whose sum is σ = 31028664455040. Its totient is φ = 5138988696576.

The previous prime is 13001121001223. The next prime is 13001121001241. The reversal of 13001121001232 is 23210012110031.

It is an interprime number because it is at equal distance from previous prime (13001121001223) and next prime (13001121001241).

It is a self number, because there is not a number n which added to its sum of digits gives 13001121001232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2005382 + ... + 5479397.

It is an arithmetic number, because the mean of its divisors is an integer number (387858305688).

Almost surely, 2^{13001121001232} is an apocalyptic number.

It is an amenable number.

13001121001232 is an abundant number, since it is smaller than the sum of its proper divisors (18027543453808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13001121001232 is a wasteful number, since it uses less digits than its factorization.

13001121001232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486000 (or 7485994 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13001121001232 its reverse (23210012110031), we get a palindrome (36211133111263).

The spelling of 13001121001232 in words is "thirteen trillion, one billion, one hundred twenty-one million, one thousand, two hundred thirty-two".