122521222243 has 12 divisors (see below), whose sum is σ = 142607504280. Its totient is φ = 104957167392.

The previous prime is 122521222237. The next prime is 122521222259. The reversal of 122521222243 is 342222125221.

It is not a de Polignac number, because 122521222243 - 2²⁹ = 121984351331 is a prime.

It is a super-2 number, since 2×122521222243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122521022243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 641178 + ... + 810031.

It is an arithmetic number, because the mean of its divisors is an integer number (11883958690).

Almost surely, 2^122521222243 is an apocalyptic number.

122521222243 is a deficient number, since it is larger than the sum of its proper divisors (20086282037).

122521222243 is a wasteful number, since it uses less digits than its factorization.

122521222243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452946 (or 1452939 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

Adding to 122521222243 its reverse (342222125221), we get a palindrome (464743347464).

The spelling of 122521222243 in words is "one hundred twenty-two billion, five hundred twenty-one million, two hundred twenty-two thousand, two hundred forty-three".