12043212064 has 24 divisors (see below), whose sum is σ = 25533926460. Its totient is φ = 5558405376.

The previous prime is 12043212043. The next prime is 12043212107. The reversal of 12043212064 is 46021234021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11172490000 + 870722064 = 105700^2 + 29508^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14474599 + ... + 14475430.

Almost surely, 2^12043212064 is an apocalyptic number.

It is an amenable number.

12043212064 is an abundant number, since it is smaller than the sum of its proper divisors (13490714396).

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

12043212064 is a wasteful number, since it uses less digits than its factorization.

12043212064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28950052 (or 28950044 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12043212064 its reverse (46021234021), we get a palindrome (58064446085).

It can be divided in two parts, 120432 and 12064, that added together give a square (132496 = 364²).

The spelling of 12043212064 in words is "twelve billion, forty-three million, two hundred twelve thousand, sixty-four".