131227240021224 has 64 divisors (see below), whose sum is σ = 328890627072000. Its totient is φ = 43632797515776.

The previous prime is 131227240021223. The next prime is 131227240021231. The reversal of 131227240021224 is 422120042722131.

It is not an unprimeable number, because it can be changed into a prime (131227240021223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36911032 + ... + 40309784.

It is an arithmetic number, because the mean of its divisors is an integer number (5138916048000).

Almost surely, 2^{131227240021224} is an apocalyptic number.

It is an amenable number.

131227240021224 is an abundant number, since it is smaller than the sum of its proper divisors (197663387050776).

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

131227240021224 is a wasteful number, since it uses less digits than its factorization.

131227240021224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402794 (or 3402790 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

Adding to 131227240021224 its reverse (422120042722131), we get a palindrome (553347282743355).

The spelling of 131227240021224 in words is "one hundred thirty-one trillion, two hundred twenty-seven billion, two hundred forty million, twenty-one thousand, two hundred twenty-four".