5142221312 has 80 divisors (see below), whose sum is σ = 10567573632. Its totient is φ = 2498273280.

The previous prime is 5142221309. The next prime is 5142221321. The reversal of 5142221312 is 2131222415.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10222853 + ... + 10223355.

Almost surely, 2^5142221312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5142221312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5283786816).

5142221312 is an abundant number, since it is smaller than the sum of its proper divisors (5425352320).

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

5142221312 is an equidigital number, since it uses as much as digits as its factorization.

5142221312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049 (or 1033 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 5142221312 is about 71709.2833041859. The cubic root of 5142221312 is about 1726.0376099475.

Adding to 5142221312 its reverse (2131222415), we get a palindrome (7273443727).

The spelling of 5142221312 in words is "five billion, one hundred forty-two million, two hundred twenty-one thousand, three hundred twelve".