20122001112212 has 48 divisors (see below), whose sum is σ = 36828133515264. Its totient is φ = 9611402976000.

The previous prime is 20122001112209. The next prime is 20122001112287. The reversal of 20122001112212 is 21221110022102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2278964 + ... + 6740747.

It is an arithmetic number, because the mean of its divisors is an integer number (767252781568).

Almost surely, 2^{20122001112212} is an apocalyptic number.

It is an amenable number.

20122001112212 is a deficient number, since it is larger than the sum of its proper divisors (16706132403052).

20122001112212 is a wasteful number, since it uses less digits than its factorization.

20122001112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9020040 (or 9020038 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20122001112212 its reverse (21221110022102), we get a palindrome (41343111134314).

The spelling of 20122001112212 in words is "twenty trillion, one hundred twenty-two billion, one million, one hundred twelve thousand, two hundred twelve".