99812411421899 has 8 divisors (see below), whose sum is σ = 109320076837440. Its totient is φ = 90377047645000.

The previous prime is 99812411421887. The next prime is 99812411421907.

It is a happy number.

99812411421899 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99812411421899 - 2⁸ = 99812411421643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99812411421809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18075406769 + ... + 18075412290.

It is an arithmetic number, because the mean of its divisors is an integer number (13665009604680).

Almost surely, 2^{99812411421899} is an apocalyptic number.

99812411421899 is a deficient number, since it is larger than the sum of its proper divisors (9507665415541).

99812411421899 is a wasteful number, since it uses less digits than its factorization.

99812411421899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36150819321.

The product of its digits is 26873856, while the sum is 68.

The spelling of 99812411421899 in words is "ninety-nine trillion, eight hundred twelve billion, four hundred eleven million, four hundred twenty-one thousand, eight hundred ninety-nine".