131012224122404 has 24 divisors (see below), whose sum is σ = 229575145210488. Its totient is φ = 65419327351040.

The previous prime is 131012224122397. The next prime is 131012224122407. The reversal of 131012224122404 is 404221422210131.

It can be written as a sum of positive squares in 4 ways, for example, as 9336984699904 + 121675239422500 = 3055648^2 + 11030650^2 .

It is not an unprimeable number, because it can be changed into a prime (131012224122407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389381654 + ... + 389717970.

It is an arithmetic number, because the mean of its divisors is an integer number (9565631050437).

Almost surely, 2^{131012224122404} is an apocalyptic number.

It is an amenable number.

131012224122404 is a deficient number, since it is larger than the sum of its proper divisors (98562921088084).

131012224122404 is a wasteful number, since it uses less digits than its factorization.

131012224122404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465055 (or 465053 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 131012224122404 its reverse (404221422210131), we get a palindrome (535233646332535).

The spelling of 131012224122404 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-four million, one hundred twenty-two thousand, four hundred four".