99012220002 has 24 divisors (see below), whose sum is σ = 220324491036. Its totient is φ = 32112071136.

The previous prime is 99012220001. The next prime is 99012220049. The reversal of 99012220002 is 20002221099.

99012220002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 92926815921 + 6085404081 = 304839^2 + 78009^2 .

It is a super-3 number, since 3×99012220002³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (99012220001) 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 in 11 ways as a sum of consecutive naturals, for example, 74332833 + ... + 74334164.

Almost surely, 2^99012220002 is an apocalyptic number.

99012220002 is an abundant number, since it is smaller than the sum of its proper divisors (121312271034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99012220002 is a wasteful number, since it uses less digits than its factorization.

99012220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148667042 (or 148667039 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 99012220002 in words is "ninety-nine billion, twelve million, two hundred twenty thousand, two".