20022101212 has 12 divisors (see below), whose sum is σ = 35893279296. Its totient is φ = 9766878560.

The previous prime is 20022101179. The next prime is 20022101221. The reversal of 20022101212 is 21210122002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20022101192 and 20022101201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61042828 + ... + 61043155.

It is an arithmetic number, because the mean of its divisors is an integer number (2991106608).

Almost surely, 2^20022101212 is an apocalyptic number.

It is an amenable number.

20022101212 is a deficient number, since it is larger than the sum of its proper divisors (15871178084).

20022101212 is a wasteful number, since it uses less digits than its factorization.

20022101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122086028 (or 122086026 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20022101212 its reverse (21210122002), we get a palindrome (41232223214).

The spelling of 20022101212 in words is "twenty billion, twenty-two million, one hundred one thousand, two hundred twelve".