202112200020212 has 24 divisors (see below), whose sum is σ = 353764753525512. Its totient is φ = 101036557440000.

The previous prime is 202112200020121. The next prime is 202112200020217. The reversal of 202112200020212 is 212020002211202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33049690240996 + 169062509779216 = 5748886^2 + 13002404^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112200020217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 702363962 + ... + 702651662.

It is an arithmetic number, because the mean of its divisors is an integer number (14740198063563).

Almost surely, 2^{202112200020212} is an apocalyptic number.

It is an amenable number.

202112200020212 is a deficient number, since it is larger than the sum of its proper divisors (151652553505300).

202112200020212 is a wasteful number, since it uses less digits than its factorization.

202112200020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321059 (or 321057 counting only the distinct ones).

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

Adding to 202112200020212 its reverse (212020002211202), we get a palindrome (414132202231414).

The spelling of 202112200020212 in words is "two hundred two trillion, one hundred twelve billion, two hundred million, twenty thousand, two hundred twelve".