131222043103312 has 40 divisors (see below), whose sum is σ = 290591722046592. Its totient is φ = 56232477840000.

The previous prime is 131222043103289. The next prime is 131222043103343. The reversal of 131222043103312 is 213301340222131.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56572939 + ... + 58846762.

Almost surely, 2^{131222043103312} is an apocalyptic number.

It is an amenable number.

131222043103312 is an abundant number, since it is smaller than the sum of its proper divisors (159369678943280).

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

131222043103312 is a wasteful number, since it uses less digits than its factorization.

131222043103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115429867 (or 115429861 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 131222043103312 its reverse (213301340222131), we get a palindrome (344523383325443).

The spelling of 131222043103312 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, forty-three million, one hundred three thousand, three hundred twelve".