212300130310091 has 2 divisors, whose sum is σ = 212300130310092. Its totient is φ = 212300130310090.

The previous prime is 212300130310087. The next prime is 212300130310109. The reversal of 212300130310091 is 190013031003212.

Together with next prime (212300130310109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212300130310091 - 2² = 212300130310087 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212300130310091.

It is not a weakly prime, because it can be changed into another prime (212300133310091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106150065155045 + 106150065155046.

It is an arithmetic number, because the mean of its divisors is an integer number (106150065155046).

Almost surely, 2^{212300130310091} is an apocalyptic number.

212300130310091 is a deficient number, since it is larger than the sum of its proper divisors (1).

212300130310091 is an equidigital number, since it uses as much as digits as its factorization.

212300130310091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 212300130310091 in words is "two hundred twelve trillion, three hundred billion, one hundred thirty million, three hundred ten thousand, ninety-one".