5145122412 has 36 divisors (see below), whose sum is σ = 13007947680. Its totient is φ = 1714747872.

The previous prime is 5145122363. The next prime is 5145122413. The reversal of 5145122412 is 2142215415.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (5145122413) 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, 343414 + ... + 358082.

It is an arithmetic number, because the mean of its divisors is an integer number (361331880).

Almost surely, 2^5145122412 is an apocalyptic number.

It is an amenable number.

5145122412 is an abundant number, since it is smaller than the sum of its proper divisors (7862825268).

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

5145122412 is a wasteful number, since it uses less digits than its factorization.

5145122412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24422 (or 24417 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 5145122412 is about 71729.5086557827. The cubic root of 5145122412 is about 1726.3621432585.

Adding to 5145122412 its reverse (2142215415), we get a palindrome (7287337827).

The spelling of 5145122412 in words is "five billion, one hundred forty-five million, one hundred twenty-two thousand, four hundred twelve".