212001121022 has 16 divisors (see below), whose sum is σ = 339453244800. Its totient is φ = 99007193880.

The previous prime is 212001121021. The next prime is 212001121049. The reversal of 212001121022 is 220121100212.

It is a junction number, because it is equal to n+sod(n) for n = 212001120988 and 212001121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001121021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39285872 + ... + 39291267.

It is an arithmetic number, because the mean of its divisors is an integer number (21215827800).

Almost surely, 2^212001121022 is an apocalyptic number.

212001121022 is a deficient number, since it is larger than the sum of its proper divisors (127452123778).

212001121022 is a wasteful number, since it uses less digits than its factorization.

212001121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78577231.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212001121022 its reverse (220121100212), we get a palindrome (432122221234).

The spelling of 212001121022 in words is "two hundred twelve billion, one million, one hundred twenty-one thousand, twenty-two".