12131031123330 has 32 divisors (see below), whose sum is σ = 33273685367424. Its totient is φ = 2772807113856.

The previous prime is 12131031123311. The next prime is 12131031123349. The reversal of 12131031123330 is 3332113013121.

It is an interprime number because it is at equal distance from previous prime (12131031123311) and next prime (12131031123349).

It is a super-2 number, since 2×12131031123330² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12131031123330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28883407227 + ... + 28883407646.

It is an arithmetic number, because the mean of its divisors is an integer number (1039802667732).

Almost surely, 2^{12131031123330} is an apocalyptic number.

12131031123330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131031123330 is an abundant number, since it is smaller than the sum of its proper divisors (21142654244094).

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

12131031123330 is a wasteful number, since it uses less digits than its factorization.

12131031123330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57766814890.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 12131031123330 its reverse (3332113013121), we get a palindrome (15463144136451).

The spelling of 12131031123330 in words is "twelve trillion, one hundred thirty-one billion, thirty-one million, one hundred twenty-three thousand, three hundred thirty".