1222012413 has 20 divisors (see below), whose sum is σ = 1826441760. Its totient is φ = 814243752.

The previous prime is 1222012391. The next prime is 1222012427. The reversal of 1222012413 is 3142102221.

It is a happy number.

It is not a de Polignac number, because 1222012413 - 2⁵ = 1222012381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222017413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 245968 + ... + 250886.

It is an arithmetic number, because the mean of its divisors is an integer number (91322088).

Almost surely, 2^1222012413 is an apocalyptic number.

It is an amenable number.

1222012413 is a deficient number, since it is larger than the sum of its proper divisors (604429347).

1222012413 is an equidigital number, since it uses as much as digits as its factorization.

1222012413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7998 (or 7989 counting only the distinct ones).

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

The square root of 1222012413 is about 34957.2941315543. The cubic root of 1222012413 is about 1069.1169273809.

Adding to 1222012413 its reverse (3142102221), we get a palindrome (4364114634).

The spelling of 1222012413 in words is "one billion, two hundred twenty-two million, twelve thousand, four hundred thirteen".