12201111202012 has 24 divisors (see below), whose sum is σ = 21358389973536. Its totient is φ = 6098714299968.

The previous prime is 12201111202003. The next prime is 12201111202069. The reversal of 12201111202012 is 21020211110221.

It is a super-2 number, since 2×12201111202012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362712058 + ... + 362745694.

It is an arithmetic number, because the mean of its divisors is an integer number (889932915564).

Almost surely, 2^{12201111202012} is an apocalyptic number.

It is an amenable number.

12201111202012 is a deficient number, since it is larger than the sum of its proper divisors (9157278771524).

12201111202012 is a wasteful number, since it uses less digits than its factorization.

12201111202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58317 (or 58315 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12201111202012 its reverse (21020211110221), we get a palindrome (33221322312233).

The spelling of 12201111202012 in words is "twelve trillion, two hundred one billion, one hundred eleven million, two hundred two thousand, twelve".