212001211001022 has 48 divisors (see below), whose sum is σ = 457899671813760. Its totient is φ = 65390826375504.

The previous prime is 212001211001009. The next prime is 212001211001029. The reversal of 212001211001022 is 220100112100212.

It is a junction number, because it is equal to n+sod(n) for n = 212001211000992 and 212001211001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001211001029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1138009522 + ... + 1138195797.

It is an arithmetic number, because the mean of its divisors is an integer number (9539576496120).

Almost surely, 2^{212001211001022} is an apocalyptic number.

212001211001022 is an abundant number, since it is smaller than the sum of its proper divisors (245898460812738).

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

212001211001022 is a wasteful number, since it uses less digits than its factorization.

212001211001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276205405 (or 2276205386 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212001211001022 its reverse (220100112100212), we get a palindrome (432101323101234).

The spelling of 212001211001022 in words is "two hundred twelve trillion, one billion, two hundred eleven million, one thousand, twenty-two".