212202212012 has 36 divisors (see below), whose sum is σ = 432704487600. Its totient is φ = 90791928864.

The previous prime is 212202211981. The next prime is 212202212029. The reversal of 212202212012 is 210212202212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 786323 + ... + 1021130.

It is an arithmetic number, because the mean of its divisors is an integer number (12019569100).

Almost surely, 2^212202212012 is an apocalyptic number.

It is an amenable number.

212202212012 is an abundant number, since it is smaller than the sum of its proper divisors (220502275588).

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

212202212012 is a wasteful number, since it uses less digits than its factorization.

212202212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808070 (or 1808061 counting only the distinct ones).

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

Adding to 212202212012 its reverse (210212202212), we get a palindrome (422414414224).

The spelling of 212202212012 in words is "two hundred twelve billion, two hundred two million, two hundred twelve thousand, twelve".