121001232013 has 8 divisors (see below), whose sum is σ = 126428089536. Its totient is φ = 115588202400.

The previous prime is 121001231971. The next prime is 121001232017. The reversal of 121001232013 is 310232100121.

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 121001232013 - 2²⁵ = 120967677581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001232017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3439083 + ... + 3474088.

It is an arithmetic number, because the mean of its divisors is an integer number (15803511192).

Almost surely, 2^121001232013 is an apocalyptic number.

It is an amenable number.

121001232013 is a deficient number, since it is larger than the sum of its proper divisors (5426857523).

121001232013 is an equidigital number, since it uses as much as digits as its factorization.

121001232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913955.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121001232013 its reverse (310232100121), we get a palindrome (431233332134).

The spelling of 121001232013 in words is "one hundred twenty-one billion, one million, two hundred thirty-two thousand, thirteen".