131212123300233 has 80 divisors (see below), whose sum is σ = 203337892517760. Its totient is φ = 84252025511424.

The previous prime is 131212123300229. The next prime is 131212123300249. The reversal of 131212123300233 is 332003321212131.

131212123300233 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 1 + 2 + 123 + 300 + 233 = 666.

It is not a de Polignac number, because 131212123300233 - 2² = 131212123300229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 131212123300197 and 131212123300206.

It is not an unprimeable number, because it can be changed into a prime (131212123300033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 820729441 + ... + 820889297.

It is an arithmetic number, because the mean of its divisors is an integer number (2541723656472).

Almost surely, 2^{131212123300233} is an apocalyptic number.

It is an amenable number.

131212123300233 is a deficient number, since it is larger than the sum of its proper divisors (72125769217527).

131212123300233 is a wasteful number, since it uses less digits than its factorization.

131212123300233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162668 (or 162659 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 131212123300233 its reverse (332003321212131), we get a palindrome (463215444512364).

The spelling of 131212123300233 in words is "one hundred thirty-one trillion, two hundred twelve billion, one hundred twenty-three million, three hundred thousand, two hundred thirty-three".