20020212210212 has 6 divisors (see below), whose sum is σ = 35035371367878. Its totient is φ = 10010106105104.

The previous prime is 20020212210211. The next prime is 20020212210221. The reversal of 20020212210212 is 21201221202002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11364342178816 + 8655870031396 = 3371104^2 + 2942086^2 .

It is not an unprimeable number, because it can be changed into a prime (20020212210211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502526526273 + ... + 2502526526280.

It is an arithmetic number, because the mean of its divisors is an integer number (5839228561313).

Almost surely, 2^{20020212210212} is an apocalyptic number.

It is an amenable number.

20020212210212 is a deficient number, since it is larger than the sum of its proper divisors (15015159157666).

20020212210212 is a wasteful number, since it uses less digits than its factorization.

20020212210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005053052557 (or 5005053052555 counting only the distinct ones).

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

Adding to 20020212210212 its reverse (21201221202002), we get a palindrome (41221433412214).

The spelling of 20020212210212 in words is "twenty trillion, twenty billion, two hundred twelve million, two hundred ten thousand, two hundred twelve".