212012022 has 32 divisors (see below), whose sum is σ = 445980672. Its totient is φ = 67060224.

The previous prime is 212011993. The next prime is 212012033. The reversal of 212012022 is 220210212.

It is a junction number, because it is equal to n+sod(n) for n = 212011989 and 212012007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11478 + ... + 23574.

It is an arithmetic number, because the mean of its divisors is an integer number (13936896).

Almost surely, 2^212012022 is an apocalyptic number.

212012022 is an abundant number, since it is smaller than the sum of its proper divisors (233968650).

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

212012022 is a wasteful number, since it uses less digits than its factorization.

212012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12252.

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

The square root of 212012022 is about 14560.6326098834. The cubic root of 212012022 is about 596.2844666248.

Adding to 212012022 its reverse (220210212), we get a palindrome (432222234).

The spelling of 212012022 in words is "two hundred twelve million, twelve thousand, twenty-two".