12332012146 has 4 divisors (see below), whose sum is σ = 18498018222. Its totient is φ = 6166006072.

The previous prime is 12332012141. The next prime is 12332012153. The reversal of 12332012146 is 64121023321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8311057225 + 4020954921 = 91165^2 + 63411^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12332012146.

It is not an unprimeable number, because it can be changed into a prime (12332012141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3083003035 + ... + 3083003038.

Almost surely, 2^12332012146 is an apocalyptic number.

12332012146 is a deficient number, since it is larger than the sum of its proper divisors (6166006076).

12332012146 is an equidigital number, since it uses as much as digits as its factorization.

12332012146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6166006075.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12332012146 its reverse (64121023321), we get a palindrome (76453035467).

The spelling of 12332012146 in words is "twelve billion, three hundred thirty-two million, twelve thousand, one hundred forty-six".