12006436252 has 12 divisors (see below), whose sum is σ = 22247220240. Its totient is φ = 5650087616.

The previous prime is 12006436231. The next prime is 12006436259. The reversal of 12006436252 is 25263460021.

It is a super-2 number, since 2×12006436252² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12006436259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88282552 + ... + 88282687.

It is an arithmetic number, because the mean of its divisors is an integer number (1853935020).

Almost surely, 2^12006436252 is an apocalyptic number.

It is an amenable number.

12006436252 is a deficient number, since it is larger than the sum of its proper divisors (10240783988).

12006436252 is a wasteful number, since it uses less digits than its factorization.

12006436252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176565260 (or 176565258 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 12006436252 its reverse (25263460021), we get a palindrome (37269896273).

The spelling of 12006436252 in words is "twelve billion, six million, four hundred thirty-six thousand, two hundred fifty-two".