212222202200080 has 80 divisors (see below), whose sum is σ = 498519184230144. Its totient is φ = 84011075850240.

The previous prime is 212222202200003. The next prime is 212222202200081. The reversal of 212222202200080 is 80002202222212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (212222202200081) 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, 254134425 + ... + 254968135.

Almost surely, 2^{212222202200080} is an apocalyptic number.

212222202200080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212222202200080 is an abundant number, since it is smaller than the sum of its proper divisors (286296982030064).

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

212222202200080 is a wasteful number, since it uses less digits than its factorization.

212222202200080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866624 (or 866618 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 212222202200080 its reverse (80002202222212), we get a palindrome (292224404422292).

The spelling of 212222202200080 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred two million, two hundred thousand, eighty".