131012223124312 has 32 divisors (see below), whose sum is σ = 248036227994880. Its totient is φ = 64869246318240.

The previous prime is 131012223124297. The next prime is 131012223124313. The reversal of 131012223124312 is 213421322210131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131012223124313) 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, 61654213 + ... + 63743755.

It is an arithmetic number, because the mean of its divisors is an integer number (7751132124840).

Almost surely, 2^{131012223124312} is an apocalyptic number.

It is an amenable number.

131012223124312 is a deficient number, since it is larger than the sum of its proper divisors (117024004870568).

131012223124312 is a wasteful number, since it uses less digits than its factorization.

131012223124312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165743 (or 2165739 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 131012223124312 its reverse (213421322210131), we get a palindrome (344433545334443).

The spelling of 131012223124312 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-three million, one hundred twenty-four thousand, three hundred twelve".