12542334212 has 6 divisors (see below), whose sum is σ = 21949084878. Its totient is φ = 6271167104.

The previous prime is 12542334163. The next prime is 12542334221. The reversal of 12542334212 is 21243324521.

It can be written as a sum of positive squares in only one way, i.e., 9585584836 + 2956749376 = 97906^2 + 54376^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1567791773 + ... + 1567791780.

It is an arithmetic number, because the mean of its divisors is an integer number (3658180813).

Almost surely, 2^12542334212 is an apocalyptic number.

It is an amenable number.

12542334212 is a deficient number, since it is larger than the sum of its proper divisors (9406750666).

12542334212 is a wasteful number, since it uses less digits than its factorization.

12542334212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135583557 (or 3135583555 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

Adding to 12542334212 its reverse (21243324521), we get a palindrome (33785658733).

The spelling of 12542334212 in words is "twelve billion, five hundred forty-two million, three hundred thirty-four thousand, two hundred twelve".