122343132011521 has 32 divisors (see below), whose sum is σ = 126442286530560. Its totient is φ = 118307158200000.

The previous prime is 122343132011447. The next prime is 122343132011533. The reversal of 122343132011521 is 125110231343221.

It is a cyclic number.

It is not a de Polignac number, because 122343132011521 - 2⁴³ = 113547038989313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122343132015521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8897028396 + ... + 8897042146.

It is an arithmetic number, because the mean of its divisors is an integer number (3951321454080).

Almost surely, 2^{122343132011521} is an apocalyptic number.

It is an amenable number.

122343132011521 is a deficient number, since it is larger than the sum of its proper divisors (4099154519039).

122343132011521 is a wasteful number, since it uses less digits than its factorization.

122343132011521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18997.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 122343132011521 its reverse (125110231343221), we get a palindrome (247453363354742).

The spelling of 122343132011521 in words is "one hundred twenty-two trillion, three hundred forty-three billion, one hundred thirty-two million, eleven thousand, five hundred twenty-one".