12001211002 has 24 divisors (see below), whose sum is σ = 19796809536. Its totient is φ = 5452425000.

The previous prime is 12001210999. The next prime is 12001211021. The reversal of 12001211002 is 20011210021.

It is a self number, because there is not a number n which added to its sum of digits gives 12001211002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 533727 + ... + 555757.

It is an arithmetic number, because the mean of its divisors is an integer number (824867064).

Almost surely, 2^12001211002 is an apocalyptic number.

12001211002 is a deficient number, since it is larger than the sum of its proper divisors (7795598534).

12001211002 is a wasteful number, since it uses less digits than its factorization.

12001211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24306 (or 24295 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12001211002 its reverse (20011210021), we get a palindrome (32012421023).

The spelling of 12001211002 in words is "twelve billion, one million, two hundred eleven thousand, two".