20020211112212 has 6 divisors (see below), whose sum is σ = 35035369446378. Its totient is φ = 10010105556104.

The previous prime is 20020211112211. The next prime is 20020211112227. The reversal of 20020211112212 is 21221111202002.

It can be written as a sum of positive squares in only one way, i.e., 17228758768516 + 2791452343696 = 4150754^2 + 1670764^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020211112211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502526389023 + ... + 2502526389030.

It is an arithmetic number, because the mean of its divisors is an integer number (5839228241063).

Almost surely, 2^{20020211112212} is an apocalyptic number.

It is an amenable number.

20020211112212 is a deficient number, since it is larger than the sum of its proper divisors (15015158334166).

20020211112212 is a wasteful number, since it uses less digits than its factorization.

20020211112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005052778057 (or 5005052778055 counting only the distinct ones).

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

Adding to 20020211112212 its reverse (21221111202002), we get a palindrome (41241322314214).

The spelling of 20020211112212 in words is "twenty trillion, twenty billion, two hundred eleven million, one hundred twelve thousand, two hundred twelve".