12000440212 has 6 divisors (see below), whose sum is σ = 21000770378. Its totient is φ = 6000220104.

The previous prime is 12000440209. The next prime is 12000440293. The reversal of 12000440212 is 21204400021.

It can be written as a sum of positive squares in only one way, i.e., 11795263236 + 205176976 = 108606^2 + 14324^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500055023 + ... + 1500055030.

Almost surely, 2^12000440212 is an apocalyptic number.

It is an amenable number.

12000440212 is a deficient number, since it is larger than the sum of its proper divisors (9000330166).

12000440212 is a wasteful number, since it uses less digits than its factorization.

12000440212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000110057 (or 3000110055 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12000440212 its reverse (21204400021), we get a palindrome (33204840233).

The spelling of 12000440212 in words is "twelve billion, four hundred forty thousand, two hundred twelve".