121012230013 has 16 divisors (see below), whose sum is σ = 127551638016. Its totient is φ = 114660990720.

The previous prime is 121012229981. The next prime is 121012230043. The reversal of 121012230013 is 310032210121.

It is a cyclic number.

It is not a de Polignac number, because 121012230013 - 2⁵ = 121012229981 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 (121012230043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114870 + ... + 505192.

It is an arithmetic number, because the mean of its divisors is an integer number (7971977376).

Almost surely, 2^121012230013 is an apocalyptic number.

It is an amenable number.

121012230013 is a deficient number, since it is larger than the sum of its proper divisors (6539408003).

121012230013 is a wasteful number, since it uses less digits than its factorization.

121012230013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390564.

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

Adding to 121012230013 its reverse (310032210121), we get a palindrome (431044440134).

The spelling of 121012230013 in words is "one hundred twenty-one billion, twelve million, two hundred thirty thousand, thirteen".