999110201212 has 24 divisors (see below), whose sum is σ = 1764863541504. Its totient is φ = 494863899312.

The previous prime is 999110201171. The next prime is 999110201233. The reversal of 999110201212 is 212102011999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13336363 + ... + 13411069.

It is an arithmetic number, because the mean of its divisors is an integer number (73535980896).

Almost surely, 2^999110201212 is an apocalyptic number.

It is an amenable number.

999110201212 is a deficient number, since it is larger than the sum of its proper divisors (765753340292).

999110201212 is a wasteful number, since it uses less digits than its factorization.

999110201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106065 (or 106063 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 999110201212 in words is "nine hundred ninety-nine billion, one hundred ten million, two hundred one thousand, two hundred twelve".