131512241222 has 16 divisors (see below), whose sum is σ = 206085261312. Its totient is φ = 62868266760.

The previous prime is 131512241219. The next prime is 131512241239. The reversal of 131512241222 is 222142215131.

It is a junction number, because it is equal to n+sod(n) for n = 131512241191 and 131512241200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12772958 + ... + 12783249.

It is an arithmetic number, because the mean of its divisors is an integer number (12880328832).

Almost surely, 2^131512241222 is an apocalyptic number.

131512241222 is a deficient number, since it is larger than the sum of its proper divisors (74573020090).

131512241222 is a wasteful number, since it uses less digits than its factorization.

131512241222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25556323.

The product of its digits is 1920, while the sum is 26.

Adding to 131512241222 its reverse (222142215131), we get a palindrome (353654456353).

The spelling of 131512241222 in words is "one hundred thirty-one billion, five hundred twelve million, two hundred forty-one thousand, two hundred twenty-two".