1121202212 has 24 divisors (see below), whose sum is σ = 2133966072. Its totient is φ = 512352000.

The previous prime is 1121202151. The next prime is 1121202223. The reversal of 1121202212 is 2122021211.

It can be written as a sum of positive squares in 4 ways, for example, as 329567716 + 791634496 = 18154^2 + 28136^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101489 + ... + 111992.

It is an arithmetic number, because the mean of its divisors is an integer number (88915253).

Almost surely, 2^1121202212 is an apocalyptic number.

It is an amenable number.

1121202212 is a deficient number, since it is larger than the sum of its proper divisors (1012763860).

1121202212 is a wasteful number, since it uses less digits than its factorization.

1121202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213599 (or 213597 counting only the distinct ones).

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

The square root of 1121202212 is about 33484.3577211808. The cubic root of 1121202212 is about 1038.8702636133.

Adding to 1121202212 its reverse (2122021211), we get a palindrome (3243223423).

The spelling of 1121202212 in words is "one billion, one hundred twenty-one million, two hundred two thousand, two hundred twelve".