121213030313 has 16 divisors (see below), whose sum is σ = 123631246080. Its totient is φ = 118820064000.

The previous prime is 121213030307. The next prime is 121213030331. The reversal of 121213030313 is 313030312121.

It is a cyclic number.

It is not a de Polignac number, because 121213030313 - 2¹² = 121213026217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121213030303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33381008 + ... + 33384638.

It is an arithmetic number, because the mean of its divisors is an integer number (7726952880).

Almost surely, 2^121213030313 is an apocalyptic number.

It is an amenable number.

121213030313 is a deficient number, since it is larger than the sum of its proper divisors (2418215767).

121213030313 is a wasteful number, since it uses less digits than its factorization.

121213030313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6928.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121213030313 its reverse (313030312121), we get a palindrome (434243342434).

The spelling of 121213030313 in words is "one hundred twenty-one billion, two hundred thirteen million, thirty thousand, three hundred thirteen".