12123321431130 has 144 divisors (see below), whose sum is σ = 39007786222080. Its totient is φ = 2557887576192.

The previous prime is 12123321431071. The next prime is 12123321431161. The reversal of 12123321431130 is 3113412332121.

12123321431130 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 332 + 14 + 311 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12123321431094 and 12123321431103.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 56826570 + ... + 57039509.

It is an arithmetic number, because the mean of its divisors is an integer number (270887404320).

Almost surely, 2^{12123321431130} is an apocalyptic number.

12123321431130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12123321431130 is an abundant number, since it is smaller than the sum of its proper divisors (26884464790950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12123321431130 is a wasteful number, since it uses less digits than its factorization.

12123321431130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113866125 (or 113866109 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 12123321431130 its reverse (3113412332121), we get a palindrome (15236733763251).

Subtracting from 12123321431130 its reverse (3113412332121), we obtain a palindrome (9009909099009).

It can be divided in two parts, 1212332 and 1431130, that added together give a palindrome (2643462).

The spelling of 12123321431130 in words is "twelve trillion, one hundred twenty-three billion, three hundred twenty-one million, four hundred thirty-one thousand, one hundred thirty".