12122110412531 has 24 divisors (see below), whose sum is σ = 14205286049040. Its totient is φ = 10313865499392.

The previous prime is 12122110412501. The next prime is 12122110412557. The reversal of 12122110412531 is 13521401122121.

12122110412531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12122110412531 - 2¹⁸ = 12122110150387 is a prime.

It is a super-2 number, since 2×12122110412531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12122110412531.

It is not an unprimeable number, because it can be changed into a prime (12122110412501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5523455 + ... + 7399511.

It is an arithmetic number, because the mean of its divisors is an integer number (591886918710).

Almost surely, 2^{12122110412531} is an apocalyptic number.

12122110412531 is a deficient number, since it is larger than the sum of its proper divisors (2083175636509).

12122110412531 is a wasteful number, since it uses less digits than its factorization.

12122110412531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877043 (or 1877036 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 12122110412531 its reverse (13521401122121), we get a palindrome (25643511534652).

The spelling of 12122110412531 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, four hundred twelve thousand, five hundred thirty-one".