212120011022 has 8 divisors (see below), whose sum is σ = 318245112000. Its totient is φ = 106038307024.

The previous prime is 212120010983. The next prime is 212120011039. The reversal of 212120011022 is 220110021212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212120010988 and 212120011006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10837022 + ... + 10856577.

It is an arithmetic number, because the mean of its divisors is an integer number (39780639000).

Almost surely, 2^212120011022 is an apocalyptic number.

212120011022 is a deficient number, since it is larger than the sum of its proper divisors (106125100978).

212120011022 is a wasteful number, since it uses less digits than its factorization.

212120011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21698490.

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

Adding to 212120011022 its reverse (220110021212), we get a palindrome (432230032234).

The spelling of 212120011022 in words is "two hundred twelve billion, one hundred twenty million, eleven thousand, twenty-two".