212212122102020 has 24 divisors (see below), whose sum is σ = 445987471401024. Its totient is φ = 84819703129056.

The previous prime is 212212122102011. The next prime is 212212122102163. The reversal of 212212122102020 is 20201221212212.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 212212122101983 and 212212122102001.

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, 4071580274 + ... + 4071632393.

It is an arithmetic number, because the mean of its divisors is an integer number (18582811308376).

Almost surely, 2^{212212122102020} is an apocalyptic number.

212212122102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212212122102020 is an abundant number, since it is smaller than the sum of its proper divisors (233775349299004).

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

212212122102020 is a wasteful number, since it uses less digits than its factorization.

212212122102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143213979 (or 8143213977 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212212122102020 its reverse (20201221212212), we get a palindrome (232413343314232).

The spelling of 212212122102020 in words is "two hundred twelve trillion, two hundred twelve billion, one hundred twenty-two million, one hundred two thousand, twenty".