202212100000212 has 48 divisors (see below), whose sum is σ = 475788189918720. Its totient is φ = 66840556843008.

The previous prime is 202212100000177. The next prime is 202212100000213. The reversal of 202212100000212 is 212000001212202.

It is a junction number, because it is equal to n+sod(n) for n = 202212100000191 and 202212100000200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212100000213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138749412 + ... + 140199227.

It is an arithmetic number, because the mean of its divisors is an integer number (9912253956640).

Almost surely, 2^{202212100000212} is an apocalyptic number.

It is an amenable number.

202212100000212 is an abundant number, since it is smaller than the sum of its proper divisors (273576089918508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202212100000212 is a wasteful number, since it uses less digits than its factorization.

202212100000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278949152 (or 278949150 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202212100000212 its reverse (212000001212202), we get a palindrome (414212101212414).

The spelling of 202212100000212 in words is "two hundred two trillion, two hundred twelve billion, one hundred million, two hundred twelve", and thus it is an aban number.