12321210004 has 12 divisors (see below), whose sum is σ = 21581780724. Its totient is φ = 6154986944.

The previous prime is 12321209993. The next prime is 12321210007. The reversal of 12321210004 is 40001212321.

It can be written as a sum of positive squares in 2 ways, for example, as 6970580100 + 5350629904 = 83490^2 + 73148^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12321210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321210007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1399579 + ... + 1408354.

It is an arithmetic number, because the mean of its divisors is an integer number (1798481727).

Almost surely, 2^12321210004 is an apocalyptic number.

It is an amenable number.

12321210004 is a deficient number, since it is larger than the sum of its proper divisors (9260570720).

12321210004 is a wasteful number, since it uses less digits than its factorization.

12321210004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809034 (or 2809032 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12321210004 its reverse (40001212321), we get a palindrome (52322422325).

The spelling of 12321210004 in words is "twelve billion, three hundred twenty-one million, two hundred ten thousand, four".