12201000001002 has 40 divisors (see below), whose sum is σ = 27339509273472. Its totient is φ = 4066965563400.

The previous prime is 12201000000979. The next prime is 12201000001031. The reversal of 12201000001002 is 20010000010221.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25114177 + ... + 25595387.

Almost surely, 2^{12201000001002} is an apocalyptic number.

12201000001002 is an abundant number, since it is smaller than the sum of its proper divisors (15138509272470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12201000001002 is a wasteful number, since it uses less digits than its factorization.

12201000001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637736 (or 637727 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12201000001002 its reverse (20010000010221), we get a palindrome (32211000011223).

The spelling of 12201000001002 in words is "twelve trillion, two hundred one billion, one thousand, two".