12013142212 has 6 divisors (see below), whose sum is σ = 21022998878. Its totient is φ = 6006571104.

The previous prime is 12013142159. The next prime is 12013142221. The reversal of 12013142212 is 21224131021.

It can be written as a sum of positive squares in only one way, i.e., 11403249796 + 609892416 = 106786^2 + 24696^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12013142212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1501642773 + ... + 1501642780.

Almost surely, 2^12013142212 is an apocalyptic number.

It is an amenable number.

12013142212 is a deficient number, since it is larger than the sum of its proper divisors (9009856666).

12013142212 is a wasteful number, since it uses less digits than its factorization.

12013142212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003285557 (or 3003285555 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12013142212 its reverse (21224131021), we get a palindrome (33237273233).

It can be divided in two parts, 1201 and 3142212, that added together give a palindrome (3143413).

The spelling of 12013142212 in words is "twelve billion, thirteen million, one hundred forty-two thousand, two hundred twelve".