20022101012212 has 24 divisors (see below), whose sum is σ = 38536809808896. Its totient is φ = 9044353320288.

The previous prime is 20022101012203. The next prime is 20022101012237. The reversal of 20022101012212 is 21221010122002.

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, 4096172068 + ... + 4096176955.

It is an arithmetic number, because the mean of its divisors is an integer number (1605700408704).

Almost surely, 2^{20022101012212} is an apocalyptic number.

It is an amenable number.

20022101012212 is a deficient number, since it is larger than the sum of its proper divisors (18514708796684).

20022101012212 is a wasteful number, since it uses less digits than its factorization.

20022101012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8192349087 (or 8192349085 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20022101012212 its reverse (21221010122002), we get a palindrome (41243111134214).

The spelling of 20022101012212 in words is "twenty trillion, twenty-two billion, one hundred one million, twelve thousand, two hundred twelve".