212122000222020 has 144 divisors (see below), whose sum is σ = 735360293566080. Its totient is φ = 48484763163648.

The previous prime is 212122000222009. The next prime is 212122000222051. The reversal of 212122000222020 is 20222000221212.

212122000222020 is a `hidden beast` number, since 212 + 12 + 200 + 0 + 2 + 220 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212122000221984 and 212122000222002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315915811 + ... + 316586549.

It is an arithmetic number, because the mean of its divisors is an integer number (5106668705320).

Almost surely, 2^{212122000222020} is an apocalyptic number.

212122000222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212122000222020 is an abundant number, since it is smaller than the sum of its proper divisors (523238293344060).

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

212122000222020 is a wasteful number, since it uses less digits than its factorization.

212122000222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921754 (or 921749 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212122000222020 its reverse (20222000221212), we get a palindrome (232344000443232).

The spelling of 212122000222020 in words is "two hundred twelve trillion, one hundred twenty-two billion, two hundred twenty-two thousand, twenty".