20022020211212 has 12 divisors (see below), whose sum is σ = 35039009208840. Its totient is φ = 10010874722976.

The previous prime is 20022020211199. The next prime is 20022020211241. The reversal of 20022020211212 is 21211202022002.

It is a happy 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, 33512537 + ... + 34104752.

It is an arithmetic number, because the mean of its divisors is an integer number (2919917434070).

Almost surely, 2^{20022020211212} is an apocalyptic number.

It is an amenable number.

20022020211212 is a deficient number, since it is larger than the sum of its proper divisors (15016988997628).

20022020211212 is a wasteful number, since it uses less digits than its factorization.

20022020211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67691320 (or 67691318 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20022020211212 its reverse (21211202022002), we get a palindrome (41233222233214).

The spelling of 20022020211212 in words is "twenty trillion, twenty-two billion, twenty million, two hundred eleven thousand, two hundred twelve".