131222464124 has 12 divisors (see below), whose sum is σ = 237557909400. Its totient is φ = 63348775728.

The previous prime is 131222464081. The next prime is 131222464127. The reversal of 131222464124 is 421464222131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222464127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565613954 + ... + 565614185.

It is an arithmetic number, because the mean of its divisors is an integer number (19796492450).

Almost surely, 2^131222464124 is an apocalyptic number.

It is an amenable number.

131222464124 is a deficient number, since it is larger than the sum of its proper divisors (106335445276).

131222464124 is a wasteful number, since it uses less digits than its factorization.

131222464124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131228172 (or 1131228170 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

Adding to 131222464124 its reverse (421464222131), we get a palindrome (552686686255).

The spelling of 131222464124 in words is "one hundred thirty-one billion, two hundred twenty-two million, four hundred sixty-four thousand, one hundred twenty-four".