100212312001 has 2 divisors, whose sum is σ = 100212312002. Its totient is φ = 100212312000.

The previous prime is 100212311993. The next prime is 100212312019. The reversal of 100212312001 is 100213212001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80188646976 + 20023665025 = 283176^2 + 141505^2 .

It is a cyclic number.

It is not a de Polignac number, because 100212312001 - 2³ = 100212311993 is a prime.

It is not a weakly prime, because it can be changed into another prime (100212312061) 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 as a sum of consecutive naturals, namely, 50106156000 + 50106156001.

It is an arithmetic number, because the mean of its divisors is an integer number (50106156001).

Almost surely, 2^100212312001 is an apocalyptic number.

It is an amenable number.

100212312001 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212312001 is an equidigital number, since it uses as much as digits as its factorization.

100212312001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100212312001 its reverse (100213212001), we get a palindrome (200425524002).

The spelling of 100212312001 in words is "one hundred billion, two hundred twelve million, three hundred twelve thousand, one".