212232099991 has 2 divisors, whose sum is σ = 212232099992. Its totient is φ = 212232099990.

The previous prime is 212232099931. The next prime is 212232100039. The reversal of 212232099991 is 199990232212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212232099991 - 2²³ = 212223711383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212232099931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106116049995 + 106116049996.

It is an arithmetic number, because the mean of its divisors is an integer number (106116049996).

Almost surely, 2^212232099991 is an apocalyptic number.

212232099991 is a deficient number, since it is larger than the sum of its proper divisors (1).

212232099991 is an equidigital number, since it uses as much as digits as its factorization.

212232099991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 49.

The spelling of 212232099991 in words is "two hundred twelve billion, two hundred thirty-two million, ninety-nine thousand, nine hundred ninety-one".