1224312201 has 12 divisors (see below), whose sum is σ = 2021086912. Its totient is φ = 699606936.

The previous prime is 1224312191. The next prime is 1224312269. The reversal of 1224312201 is 1022134221.

It is a happy number.

1224312201 is a `hidden beast` number, since 12 + 2 + 431 + 220 + 1 = 666.

It is not a de Polignac number, because 1224312201 - 2⁷ = 1224312073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1224312301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9716701 + ... + 9716826.

Almost surely, 2^1224312201 is an apocalyptic number.

It is an amenable number.

1224312201 is a deficient number, since it is larger than the sum of its proper divisors (796774711).

1224312201 is a wasteful number, since it uses less digits than its factorization.

1224312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19433540 (or 19433537 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1224312201 is about 34990.1729204072. The cubic root of 1224312201 is about 1069.7871882937.

Adding to 1224312201 its reverse (1022134221), we get a palindrome (2246446422).

The spelling of 1224312201 in words is "one billion, two hundred twenty-four million, three hundred twelve thousand, two hundred one".