7022021212 has 12 divisors (see below), whose sum is σ = 12298777456. Its totient is φ = 3508084800.

The previous prime is 7022021147. The next prime is 7022021213. The reversal of 7022021212 is 2121202207.

It is a self number, because there is not a number n which added to its sum of digits gives 7022021212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7022021213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726048 + ... + 735655.

Almost surely, 2^7022021212 is an apocalyptic number.

It is an amenable number.

7022021212 is a deficient number, since it is larger than the sum of its proper divisors (5276756244).

7022021212 is a wasteful number, since it uses less digits than its factorization.

7022021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462908 (or 1462906 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 7022021212 is about 83797.5012276619. The cubic root of 7022021212 is about 1914.9350383243.

Adding to 7022021212 its reverse (2121202207), we get a palindrome (9143223419).

The spelling of 7022021212 in words is "seven billion, twenty-two million, twenty-one thousand, two hundred twelve".