2112202100012 has 24 divisors (see below), whose sum is σ = 3713808051072. Its totient is φ = 1051122800000.

The previous prime is 2112202099981. The next prime is 2112202100051. The reversal of 2112202100012 is 2100012022112.

It is a super-2 number, since 2×2112202100012² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112202100012.

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, 118739 + ... + 2058762.

It is an arithmetic number, because the mean of its divisors is an integer number (154742002128).

Almost surely, 2^{2112202100012} is an apocalyptic number.

It is an amenable number.

2112202100012 is a deficient number, since it is larger than the sum of its proper divisors (1601605951060).

2112202100012 is a wasteful number, since it uses less digits than its factorization.

2112202100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178649 (or 2178647 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2112202100012 its reverse (2100012022112), we get a palindrome (4212214122124).

The spelling of 2112202100012 in words is "two trillion, one hundred twelve billion, two hundred two million, one hundred thousand, twelve".