121303222013 has 8 divisors (see below), whose sum is σ = 127034239488. Its totient is φ = 115610284944.

The previous prime is 121303221989. The next prime is 121303222043. The reversal of 121303222013 is 310222303121.

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

It is not a de Polignac number, because 121303222013 - 2⁸ = 121303221757 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 (121303222043) 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, 9513581 + ... + 9526322.

It is an arithmetic number, because the mean of its divisors is an integer number (15879279936).

Almost surely, 2^121303222013 is an apocalyptic number.

It is an amenable number.

121303222013 is a deficient number, since it is larger than the sum of its proper divisors (5731017475).

121303222013 is a wasteful number, since it uses less digits than its factorization.

121303222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19040203.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121303222013 its reverse (310222303121), we get a palindrome (431525525134).

The spelling of 121303222013 in words is "one hundred twenty-one billion, three hundred three million, two hundred twenty-two thousand, thirteen".