121312314 has 12 divisors (see below), whose sum is σ = 262843386. Its totient is φ = 40437432.

The previous prime is 121312297. The next prime is 121312339. The reversal of 121312314 is 413213121.

It can be written as a sum of positive squares in only one way, i.e., 107806689 + 13505625 = 10383^2 + 3675^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6739573 = 121312314 / (1 + 2 + 1 + 3 + 1 + 2 + 3 + 1 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3369769 + ... + 3369804.

Almost surely, 2^121312314 is an apocalyptic number.

121312314 is an abundant number, since it is smaller than the sum of its proper divisors (141531072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121312314 is a wasteful number, since it uses less digits than its factorization.

121312314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6739581 (or 6739578 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 121312314 is about 11014.1869423031. The cubic root of 121312314 is about 495.0339248252.

Adding to 121312314 its reverse (413213121), we get a palindrome (534525435).

The spelling of 121312314 in words is "one hundred twenty-one million, three hundred twelve thousand, three hundred fourteen".