1214312265 has 12 divisors (see below), whose sum is σ = 2104808004. Its totient is φ = 647633184.

The previous prime is 1214312233. The next prime is 1214312269. The reversal of 1214312265 is 5622134121.

1214312265 is a `hidden beast` number, since 1 + 2 + 1 + 431 + 226 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 609299856 + 605012409 = 24684^2 + 24597^2 .

It is not a de Polignac number, because 1214312265 - 2⁵ = 1214312233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214312269) 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, 13492314 + ... + 13492403.

It is an arithmetic number, because the mean of its divisors is an integer number (175400667).

Almost surely, 2^1214312265 is an apocalyptic number.

1214312265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1214312265 is a deficient number, since it is larger than the sum of its proper divisors (890495739).

1214312265 is a wasteful number, since it uses less digits than its factorization.

1214312265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26984728 (or 26984725 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1214312265 is about 34846.9835853837. The cubic root of 1214312265 is about 1066.8666200130.

Adding to 1214312265 its reverse (5622134121), we get a palindrome (6836446386).

The spelling of 1214312265 in words is "one billion, two hundred fourteen million, three hundred twelve thousand, two hundred sixty-five".