122144330013 has 16 divisors (see below), whose sum is σ = 172502856576. Its totient is φ = 76611223040.

The previous prime is 122144329999. The next prime is 122144330029. The reversal of 122144330013 is 310033441221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122144330013 - 2⁵ = 122144329981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122144330213) 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, 303456 + ... + 579977.

It is an arithmetic number, because the mean of its divisors is an integer number (10781428536).

Almost surely, 2^122144330013 is an apocalyptic number.

It is an amenable number.

122144330013 is a deficient number, since it is larger than the sum of its proper divisors (50358526563).

122144330013 is a wasteful number, since it uses less digits than its factorization.

122144330013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886164.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 122144330013 its reverse (310033441221), we get a palindrome (432177771234).

The spelling of 122144330013 in words is "one hundred twenty-two billion, one hundred forty-four million, three hundred thirty thousand, thirteen".