212222201210020 has 48 divisors (see below), whose sum is σ = 458828698870080. Its totient is φ = 82406041151616.

The previous prime is 212222201210017. The next prime is 212222201210093. The reversal of 212222201210020 is 20012102222212.

It is a self number, because there is not a number n which added to its sum of digits gives 212222201210020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 756823015 + ... + 757103374.

It is an arithmetic number, because the mean of its divisors is an integer number (9558931226460).

Almost surely, 2^{212222201210020} is an apocalyptic number.

212222201210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212222201210020 is an abundant number, since it is smaller than the sum of its proper divisors (246606497660060).

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

212222201210020 is a wasteful number, since it uses less digits than its factorization.

212222201210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513926604 (or 1513926602 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212222201210020 its reverse (20012102222212), we get a palindrome (232234303432232).

The spelling of 212222201210020 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred one million, two hundred ten thousand, twenty".