202212101212 has 24 divisors (see below), whose sum is σ = 389863483632. Its totient is φ = 91004544000.

The previous prime is 202212101107. The next prime is 202212101227. The reversal of 202212101212 is 212101212202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22746693 + ... + 22755580.

It is an arithmetic number, because the mean of its divisors is an integer number (16244311818).

Almost surely, 2^202212101212 is an apocalyptic number.

202212101212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202212101212 is a deficient number, since it is larger than the sum of its proper divisors (187651382420).

202212101212 is a wasteful number, since it uses less digits than its factorization.

202212101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45502389 (or 45502387 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202212101212 its reverse (212101212202), we get a palindrome (414313313414).

It can be divided in two parts, 2022121012 and 12, that added together give a square (2022121024 = 44968²).

The spelling of 202212101212 in words is "two hundred two billion, two hundred twelve million, one hundred one thousand, two hundred twelve".