212122122011020 has 48 divisors (see below), whose sum is σ = 486882372398688. Its totient is φ = 77153028986880.

The previous prime is 212122122010943. The next prime is 212122122011057. The reversal of 212122122011020 is 20110221221212.

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, 6088447621 + ... + 6088482460.

It is an arithmetic number, because the mean of its divisors is an integer number (10143382758306).

Almost surely, 2^{212122122011020} is an apocalyptic number.

212122122011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212122122011020 is an abundant number, since it is smaller than the sum of its proper divisors (274760250387668).

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

212122122011020 is a wasteful number, since it uses less digits than its factorization.

212122122011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12176930170 (or 12176930168 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212122122011020 its reverse (20110221221212), we get a palindrome (232232343232232).

The spelling of 212122122011020 in words is "two hundred twelve trillion, one hundred twenty-two billion, one hundred twenty-two million, eleven thousand, twenty".