5145122312 has 24 divisors (see below), whose sum is σ = 10603843950. Its totient is φ = 2338691520.

The previous prime is 5145122293. The next prime is 5145122321. The reversal of 5145122312 is 2132215415.

It can be written as a sum of positive squares in only one way, i.e., 4318329796 + 826792516 = 65714^2 + 28754^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2656637 + ... + 2658572.

Almost surely, 2^5145122312 is an apocalyptic number.

It is an amenable number.

5145122312 is an abundant number, since it is smaller than the sum of its proper divisors (5458721638).

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

5145122312 is a wasteful number, since it uses less digits than its factorization.

5145122312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5315237 (or 5315222 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 5145122312 is about 71729.5079587195. The cubic root of 5145122312 is about 1726.3621320740.

Adding to 5145122312 its reverse (2132215415), we get a palindrome (7277337727).

The spelling of 5145122312 in words is "five billion, one hundred forty-five million, one hundred twenty-two thousand, three hundred twelve".