1213224301 has 4 divisors (see below), whose sum is σ = 1239037632. Its totient is φ = 1187410972.

The previous prime is 1213224281. The next prime is 1213224319. The reversal of 1213224301 is 1034223121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1034223121 = 113 ⋅9152417.

It is a cyclic number.

It is not a de Polignac number, because 1213224301 - 2²³ = 1204835693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213224361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12906595 + ... + 12906688.

It is an arithmetic number, because the mean of its divisors is an integer number (309759408).

Almost surely, 2^1213224301 is an apocalyptic number.

It is an amenable number.

1213224301 is a deficient number, since it is larger than the sum of its proper divisors (25813331).

1213224301 is an equidigital number, since it uses as much as digits as its factorization.

1213224301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25813330.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1213224301 is about 34831.3694964754. The cubic root of 1213224301 is about 1066.5479048223.

Adding to 1213224301 its reverse (1034223121), we get a palindrome (2247447422).

The spelling of 1213224301 in words is "one billion, two hundred thirteen million, two hundred twenty-four thousand, three hundred one".