1212422315 has 16 divisors (see below), whose sum is σ = 1569021888. Its totient is φ = 894070656.

The previous prime is 1212422291. The next prime is 1212422317. The reversal of 1212422315 is 5132242121.

It is a cyclic number.

It is not a de Polignac number, because 1212422315 - 2¹⁶ = 1212356779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212422317) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 34922 + ... + 60368.

It is an arithmetic number, because the mean of its divisors is an integer number (98063868).

Almost surely, 2^1212422315 is an apocalyptic number.

1212422315 is a deficient number, since it is larger than the sum of its proper divisors (356599573).

1212422315 is a wasteful number, since it uses less digits than its factorization.

1212422315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26198.

The product of its digits is 960, while the sum is 23.

The square root of 1212422315 is about 34819.8551835013. The cubic root of 1212422315 is about 1066.3128438556.

Adding to 1212422315 its reverse (5132242121), we get a palindrome (6344664436).

The spelling of 1212422315 in words is "one billion, two hundred twelve million, four hundred twenty-two thousand, three hundred fifteen".