1213122302 has 12 divisors (see below), whose sum is σ = 2116774800. Its totient is φ = 519909516.

The previous prime is 1213122299. The next prime is 1213122343. The reversal of 1213122302 is 2032213121.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 6189302 + ... + 6189497.

It is an arithmetic number, because the mean of its divisors is an integer number (176397900).

Almost surely, 2^1213122302 is an apocalyptic number.

1213122302 is a deficient number, since it is larger than the sum of its proper divisors (903652498).

1213122302 is a wasteful number, since it uses less digits than its factorization.

1213122302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12378815 (or 12378808 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1213122302 is about 34829.9052826734. The cubic root of 1213122302 is about 1066.5180148098.

Adding to 1213122302 its reverse (2032213121), we get a palindrome (3245335423).

The spelling of 1213122302 in words is "one billion, two hundred thirteen million, one hundred twenty-two thousand, three hundred two".