12122115531022 has 24 divisors (see below), whose sum is σ = 21157023163176. Its totient is φ = 5193922911408.

The previous prime is 12122115531017. The next prime is 12122115531023. The reversal of 12122115531022 is 22013551122121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122115531023) 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, 14709448 + ... + 15511675.

It is an arithmetic number, because the mean of its divisors is an integer number (881542631799).

Almost surely, 2^{12122115531022} is an apocalyptic number.

12122115531022 is a deficient number, since it is larger than the sum of its proper divisors (9034907632154).

12122115531022 is a wasteful number, since it uses less digits than its factorization.

12122115531022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30225232 (or 30225225 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 12122115531022 its reverse (22013551122121), we get a palindrome (34135666653143).

The spelling of 12122115531022 in words is "twelve trillion, one hundred twenty-two billion, one hundred fifteen million, five hundred thirty-one thousand, twenty-two".