99912202331287 has 2 divisors, whose sum is σ = 99912202331288. Its totient is φ = 99912202331286.

The previous prime is 99912202331267. The next prime is 99912202331303. The reversal of 99912202331287 is 78213320221999.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99912202331287 - 2⁷ = 99912202331159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99912202331237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49956101165643 + 49956101165644.

It is an arithmetic number, because the mean of its divisors is an integer number (49956101165644).

Almost surely, 2^{99912202331287} is an apocalyptic number.

99912202331287 is a deficient number, since it is larger than the sum of its proper divisors (1).

99912202331287 is an equidigital number, since it uses as much as digits as its factorization.

99912202331287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 99912202331287 in words is "ninety-nine trillion, nine hundred twelve billion, two hundred two million, three hundred thirty-one thousand, two hundred eighty-seven".