20022101211212 has 24 divisors (see below), whose sum is σ = 35044869995520. Its totient is φ = 10009281419280.

The previous prime is 20022101211197. The next prime is 20022101211271. The reversal of 20022101211212 is 21211210122002.

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, 1042428113 + ... + 1042447319.

It is an arithmetic number, because the mean of its divisors is an integer number (1460202916480).

Almost surely, 2^{20022101211212} is an apocalyptic number.

It is an amenable number.

20022101211212 is a deficient number, since it is larger than the sum of its proper divisors (15022768784308).

20022101211212 is a wasteful number, since it uses less digits than its factorization.

20022101211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51701 (or 51699 counting only the distinct ones).

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

Adding to 20022101211212 its reverse (21211210122002), we get a palindrome (41233311333214).

The spelling of 20022101211212 in words is "twenty trillion, twenty-two billion, one hundred one million, two hundred eleven thousand, two hundred twelve".