131223000302012 has 6 divisors (see below), whose sum is σ = 229640250528528. Its totient is φ = 65611500151004.

The previous prime is 131223000302003. The next prime is 131223000302029. The reversal of 131223000302012 is 210203000322131.

It is a super-2 number, since 2×131223000302012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16402875037748 + ... + 16402875037755.

It is an arithmetic number, because the mean of its divisors is an integer number (38273375088088).

Almost surely, 2^{131223000302012} is an apocalyptic number.

It is an amenable number.

131223000302012 is a deficient number, since it is larger than the sum of its proper divisors (98417250226516).

131223000302012 is a wasteful number, since it uses less digits than its factorization.

131223000302012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32805750075507 (or 32805750075505 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131223000302012 its reverse (210203000322131), we get a palindrome (341426000624143).

The spelling of 131223000302012 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, three hundred two thousand, twelve".