1213240202 has 8 divisors (see below), whose sum is σ = 1898984736. Its totient is φ = 580245292.

The previous prime is 1213240183. The next prime is 1213240219. The reversal of 1213240202 is 2020423121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13187348 + ... + 13187439.

It is an arithmetic number, because the mean of its divisors is an integer number (237373092).

Almost surely, 2^1213240202 is an apocalyptic number.

1213240202 is a deficient number, since it is larger than the sum of its proper divisors (685744534).

1213240202 is a wasteful number, since it uses less digits than its factorization.

1213240202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26374812.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1213240202 is about 34831.5977526154. The cubic root of 1213240202 is about 1066.5525643356.

Adding to 1213240202 its reverse (2020423121), we get a palindrome (3233663323).

The spelling of 1213240202 in words is "one billion, two hundred thirteen million, two hundred forty thousand, two hundred two".