1212010202 has 32 divisors (see below), whose sum is σ = 1987690320. Its totient is φ = 554211840.

The previous prime is 1212010199. The next prime is 1212010211. The reversal of 1212010202 is 2020102121.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 567916561 + 644093641 = 23831^2 + 25379^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 495302 + ... + 497742.

Almost surely, 2^1212010202 is an apocalyptic number.

1212010202 is a deficient number, since it is larger than the sum of its proper divisors (775680118).

1212010202 is a wasteful number, since it uses less digits than its factorization.

1212010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595 (or 2569 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1212010202 is about 34813.9368931467. The cubic root of 1212010202 is about 1066.1920137952.

Adding to 1212010202 its reverse (2020102121), we get a palindrome (3232112323).

It can be divided in two parts, 12120 and 10202, that added together give a palindrome (22322).

The spelling of 1212010202 in words is "one billion, two hundred twelve million, ten thousand, two hundred two".