12131214120 has 96 divisors (see below), whose sum is σ = 39440437920. Its totient is φ = 3233842560.

The previous prime is 12131214113. The next prime is 12131214157. The reversal of 12131214120 is 2141213121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12131214093 and 12131214102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1633215 + ... + 1640625.

It is an arithmetic number, because the mean of its divisors is an integer number (410837895).

Almost surely, 2^12131214120 is an apocalyptic number.

12131214120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12131214120 is an abundant number, since it is smaller than the sum of its proper divisors (27309223800).

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

12131214120 is a wasteful number, since it uses less digits than its factorization.

12131214120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11975 (or 11968 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12131214120 its reverse (2141213121), we get a palindrome (14272427241).

Subtracting from 12131214120 its reverse (2141213121), we obtain a palindrome (9990000999).

The spelling of 12131214120 in words is "twelve billion, one hundred thirty-one million, two hundred fourteen thousand, one hundred twenty".