12321211012 has 48 divisors (see below), whose sum is σ = 23653808640. Its totient is φ = 5569344000.

The previous prime is 12321211003. The next prime is 12321211027. The reversal of 12321211012 is 21011212321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7003789 + ... + 7005547.

It is an arithmetic number, because the mean of its divisors is an integer number (492787680).

Almost surely, 2^12321211012 is an apocalyptic number.

It is an amenable number.

12321211012 is a deficient number, since it is larger than the sum of its proper divisors (11332597628).

12321211012 is a wasteful number, since it uses less digits than its factorization.

12321211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572 (or 2570 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12321211012 its reverse (21011212321), we get a palindrome (33332423333).

The spelling of 12321211012 in words is "twelve billion, three hundred twenty-one million, two hundred eleven thousand, twelve".