990112023332 has 24 divisors (see below), whose sum is σ = 1792483908600. Its totient is φ = 477974520576.

The previous prime is 990112023311. The next prime is 990112023349. The reversal of 990112023332 is 233320211099.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8415493696 + 981696529636 = 91736^2 + 990806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 990112023292 and 990112023301.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8560544 + ... + 8675432.

It is an arithmetic number, because the mean of its divisors is an integer number (74686829525).

Almost surely, 2^990112023332 is an apocalyptic number.

It is an amenable number.

990112023332 is a deficient number, since it is larger than the sum of its proper divisors (802371885268).

990112023332 is a wasteful number, since it uses less digits than its factorization.

990112023332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189215 (or 189213 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 990112023332 in words is "nine hundred ninety billion, one hundred twelve million, twenty-three thousand, three hundred thirty-two".