20000122101212 has 12 divisors (see below), whose sum is σ = 38182051284216. Its totient is φ = 9090964591440.

The previous prime is 20000122101209. The next prime is 20000122101217. The reversal of 20000122101212 is 21210122100002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000122101217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227274114743 + ... + 227274114830.

It is an arithmetic number, because the mean of its divisors is an integer number (3181837607018).

Almost surely, 2^{20000122101212} is an apocalyptic number.

20000122101212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20000122101212 is a deficient number, since it is larger than the sum of its proper divisors (18181929183004).

20000122101212 is a wasteful number, since it uses less digits than its factorization.

20000122101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454548229588 (or 454548229586 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20000122101212 its reverse (21210122100002), we get a palindrome (41210244201214).

The spelling of 20000122101212 in words is "twenty trillion, one hundred twenty-two million, one hundred one thousand, two hundred twelve".