12201000001012 has 6 divisors (see below), whose sum is σ = 21351750001778. Its totient is φ = 6100500000504.

The previous prime is 12201000000979. The next prime is 12201000001031. The reversal of 12201000001012 is 21010000010221.

It can be written as a sum of positive squares in only one way, i.e., 10764199821456 + 1436800179556 = 3280884^2 + 1198666^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12201000001012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1525125000123 + ... + 1525125000130.

Almost surely, 2^{12201000001012} is an apocalyptic number.

It is an amenable number.

12201000001012 is a deficient number, since it is larger than the sum of its proper divisors (9150750000766).

12201000001012 is a wasteful number, since it uses less digits than its factorization.

12201000001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050250000257 (or 3050250000255 counting only the distinct ones).

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

Adding to 12201000001012 its reverse (21010000010221), we get a palindrome (33211000011233).

The spelling of 12201000001012 in words is "twelve trillion, two hundred one billion, one thousand, twelve".