1214013217 has 2 divisors, whose sum is σ = 1214013218. Its totient is φ = 1214013216.

The previous prime is 1214013211. The next prime is 1214013221. The reversal of 1214013217 is 7123104121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1211109601 + 2903616 = 34801^2 + 1704^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214013217 - 2⁷ = 1214013089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1214013211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607006608 + 607006609.

It is an arithmetic number, because the mean of its divisors is an integer number (607006609).

Almost surely, 2^1214013217 is an apocalyptic number.

It is an amenable number.

1214013217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214013217 is an equidigital number, since it uses as much as digits as its factorization.

1214013217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1214013217 is about 34842.6924476281. The cubic root of 1214013217 is about 1066.7790339414.

Adding to 1214013217 its reverse (7123104121), we get a palindrome (8337117338).

The spelling of 1214013217 in words is "one billion, two hundred fourteen million, thirteen thousand, two hundred seventeen".