1312201202 has 16 divisors (see below), whose sum is σ = 2244399192. Its totient is φ = 570005760.

The previous prime is 1312201183. The next prime is 1312201217. The reversal of 1312201202 is 2021022131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1285150801 + 27050401 = 35849^2 + 5201^2 .

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 7 ways as a sum of consecutive naturals, for example, 1483949 + ... + 1484832.

Almost surely, 2^1312201202 is an apocalyptic number.

1312201202 is a deficient number, since it is larger than the sum of its proper divisors (932197990).

1312201202 is a wasteful number, since it uses less digits than its factorization.

1312201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968813.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1312201202 is about 36224.3178265651. The cubic root of 1312201202 is about 1094.7966934878.

Adding to 1312201202 its reverse (2021022131), we get a palindrome (3333223333).

The spelling of 1312201202 in words is "one billion, three hundred twelve million, two hundred one thousand, two hundred two".