1202221012 has 24 divisors (see below), whose sum is σ = 2125259136. Its totient is φ = 595018368.

The previous prime is 1202220997. The next prime is 1202221019. The reversal of 1202221012 is 2101222021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1202220983 and 1202221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202221019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524533 + ... + 526819.

It is an arithmetic number, because the mean of its divisors is an integer number (88552464).

Almost surely, 2^1202221012 is an apocalyptic number.

It is an amenable number.

1202221012 is a deficient number, since it is larger than the sum of its proper divisors (923038124).

1202221012 is a wasteful number, since it uses less digits than its factorization.

1202221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567 (or 3565 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1202221012 is about 34673.0588786164. The cubic root of 1202221012 is about 1063.3137699668.

Adding to 1202221012 its reverse (2101222021), we get a palindrome (3303443033).

The spelling of 1202221012 in words is "one billion, two hundred two million, two hundred twenty-one thousand, twelve".