212012001202220 has 24 divisors (see below), whose sum is σ = 447956645491824. Its totient is φ = 84284525630016.

The previous prime is 212012001202193. The next prime is 212012001202241. The reversal of 212012001202220 is 22202100210212.

It is a happy 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, 32517174839 + ... + 32517181358.

It is an arithmetic number, because the mean of its divisors is an integer number (18664860228826).

Almost surely, 2^{212012001202220} is an apocalyptic number.

212012001202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012001202220 is an abundant number, since it is smaller than the sum of its proper divisors (235944644289604).

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

212012001202220 is a wasteful number, since it uses less digits than its factorization.

212012001202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65034356369 (or 65034356367 counting only the distinct ones).

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

Adding to 212012001202220 its reverse (22202100210212), we get a palindrome (234214101412432).

The spelling of 212012001202220 in words is "two hundred twelve trillion, twelve billion, one million, two hundred two thousand, two hundred twenty".