99022020212 has 12 divisors (see below), whose sum is σ = 176558130756. Its totient is φ = 48576840000.

The previous prime is 99022020203. The next prime is 99022020239. The reversal of 99022020212 is 21202022099.

It can be written as a sum of positive squares in 2 ways, for example, as 81609634276 + 17412385936 = 285674^2 + 131956^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233542289 + ... + 233542712.

It is an arithmetic number, because the mean of its divisors is an integer number (14713177563).

Almost surely, 2^99022020212 is an apocalyptic number.

It is an amenable number.

99022020212 is a deficient number, since it is larger than the sum of its proper divisors (77536110544).

99022020212 is a wasteful number, since it uses less digits than its factorization.

99022020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467085058 (or 467085056 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 99022020212 in words is "ninety-nine billion, twenty-two million, twenty thousand, two hundred twelve".