212001000200022 has 128 divisors (see below), whose sum is σ = 471931731468288. Its totient is φ = 62950548684800.

The previous prime is 212001000199943. The next prime is 212001000200167. The reversal of 212001000200022 is 220002000100212.

It is a junction number, because it is equal to n+sod(n) for n = 212001000199980 and 212001000200007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9216221173 + ... + 9216244175.

It is an arithmetic number, because the mean of its divisors is an integer number (3686966652096).

Almost surely, 2^{212001000200022} is an apocalyptic number.

212001000200022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 212001000200022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235965865734144).

212001000200022 is an abundant number, since it is smaller than the sum of its proper divisors (259930731268266).

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

212001000200022 is a wasteful number, since it uses less digits than its factorization.

212001000200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35034.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 212001000200022 its reverse (220002000100212), we get a palindrome (432003000300234).

The spelling of 212001000200022 in words is "two hundred twelve trillion, one billion, two hundred thousand, twenty-two".