20000222112212 has 24 divisors (see below), whose sum is σ = 36674957088000. Its totient is φ = 9525301333856.

The previous prime is 20000222112209. The next prime is 20000222112257. The reversal of 20000222112212 is 21221122200002.

It is a happy number.

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, 454776587 + ... + 454820562.

It is an arithmetic number, because the mean of its divisors is an integer number (1528123212000).

Almost surely, 2^{20000222112212} is an apocalyptic number.

It is an amenable number.

20000222112212 is a deficient number, since it is larger than the sum of its proper divisors (16674734975788).

20000222112212 is a wasteful number, since it uses less digits than its factorization.

20000222112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909597415 (or 909597413 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20000222112212 its reverse (21221122200002), we get a palindrome (41221344312214).

The spelling of 20000222112212 in words is "twenty trillion, two hundred twenty-two million, one hundred twelve thousand, two hundred twelve".