1213265342 has 8 divisors (see below), whose sum is σ = 1821001296. Its totient is φ = 606264912.

The previous prime is 1213265323. The next prime is 1213265351. The reversal of 1213265342 is 2435623121.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179738 + ... + 186365.

It is an arithmetic number, because the mean of its divisors is an integer number (227625162).

Almost surely, 2^1213265342 is an apocalyptic number.

1213265342 is a deficient number, since it is larger than the sum of its proper divisors (607735954).

1213265342 is a wasteful number, since it uses less digits than its factorization.

1213265342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367762.

The product of its digits is 8640, while the sum is 29.

The square root of 1213265342 is about 34831.9586299708. The cubic root of 1213265342 is about 1066.5599310951.

Adding to 1213265342 its reverse (2435623121), we get a palindrome (3648888463).

The spelling of 1213265342 in words is "one billion, two hundred thirteen million, two hundred sixty-five thousand, three hundred forty-two".