12131051251144 has 16 divisors (see below), whose sum is σ = 25995109824000. Its totient is φ = 5199021964752.

The previous prime is 12131051251129. The next prime is 12131051251171. The reversal of 12131051251144 is 44115215013121.

It is a super-2 number, since 2×12131051251144² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108312957544 + ... + 108312957655.

It is an arithmetic number, because the mean of its divisors is an integer number (1624694364000).

Almost surely, 2^{12131051251144} is an apocalyptic number.

12131051251144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12131051251144 is an abundant number, since it is smaller than the sum of its proper divisors (13864058572856).

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

12131051251144 is a wasteful number, since it uses less digits than its factorization.

12131051251144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216625915212 (or 216625915208 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 31.

Adding to 12131051251144 its reverse (44115215013121), we get a palindrome (56246266264265).

The spelling of 12131051251144 in words is "twelve trillion, one hundred thirty-one billion, fifty-one million, two hundred fifty-one thousand, one hundred forty-four".