122615222613 has 16 divisors (see below), whose sum is σ = 176764343616. Its totient is φ = 75154896000.

The previous prime is 122615222557. The next prime is 122615222627. The reversal of 122615222613 is 316222516221.

It is a happy number.

It is not a de Polignac number, because 122615222613 - 2¹⁸ = 122614960469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122615222693) 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, 6253120 + ... + 6272697.

It is an arithmetic number, because the mean of its divisors is an integer number (11047771476).

Almost surely, 2^122615222613 is an apocalyptic number.

122615222613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122615222613 is a deficient number, since it is larger than the sum of its proper divisors (54149121003).

122615222613 is a wasteful number, since it uses less digits than its factorization.

122615222613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12526084.

The product of its digits is 17280, while the sum is 33.

Adding to 122615222613 its reverse (316222516221), we get a palindrome (438837738834).

The spelling of 122615222613 in words is "one hundred twenty-two billion, six hundred fifteen million, two hundred twenty-two thousand, six hundred thirteen".