131212002233 has 16 divisors (see below), whose sum is σ = 143105941440. Its totient is φ = 119583169344.

The previous prime is 131212002211. The next prime is 131212002239. The reversal of 131212002233 is 332200212131.

It is a cyclic number.

It is not a de Polignac number, because 131212002233 - 2¹⁶ = 131211936697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131212002239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237410 + ... + 564612.

It is an arithmetic number, because the mean of its divisors is an integer number (8944121340).

Almost surely, 2^131212002233 is an apocalyptic number.

131212002233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131212002233 is a deficient number, since it is larger than the sum of its proper divisors (11893939207).

131212002233 is a wasteful number, since it uses less digits than its factorization.

131212002233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327608.

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

Adding to 131212002233 its reverse (332200212131), we get a palindrome (463412214364).

The spelling of 131212002233 in words is "one hundred thirty-one billion, two hundred twelve million, two thousand, two hundred thirty-three".