1212213022 has 24 divisors (see below), whose sum is σ = 1905394680. Its totient is φ = 578358000.

The previous prime is 1212213007. The next prime is 1212213029. The reversal of 1212213022 is 2203122121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1212212987 and 1212213005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212213029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537397 + ... + 539647.

It is an arithmetic number, because the mean of its divisors is an integer number (79391445).

Almost surely, 2^1212213022 is an apocalyptic number.

1212213022 is a deficient number, since it is larger than the sum of its proper divisors (693181658).

1212213022 is a wasteful number, since it uses less digits than its factorization.

1212213022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808 (or 2785 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1212213022 is about 34816.8496851740. The cubic root of 1212213022 is about 1066.2514833175.

Adding to 1212213022 its reverse (2203122121), we get a palindrome (3415335143).

Subtracting 1212213022 from its reverse (2203122121), we obtain a palindrome (990909099).

The spelling of 1212213022 in words is "one billion, two hundred twelve million, two hundred thirteen thousand, twenty-two".