999990212003222 has 24 divisors (see below), whose sum is σ = 1652499874225200. Its totient is φ = 453505604484240.

The previous prime is 999990212003213. The next prime is 999990212003243. The reversal of 999990212003222 is 222300212099999.

It is a super-2 number, since 2×999990212003222² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4706261597 + ... + 4706474072.

It is an arithmetic number, because the mean of its divisors is an integer number (68854161426050).

Almost surely, 2^{999990212003222} is an apocalyptic number.

999990212003222 is a deficient number, since it is larger than the sum of its proper divisors (652509662221978).

999990212003222 is a wasteful number, since it uses less digits than its factorization.

999990212003222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9412736132 (or 9412736121 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 59.

The spelling of 999990212003222 in words is "nine hundred ninety-nine trillion, nine hundred ninety billion, two hundred twelve million, three thousand, two hundred twenty-two".