2012223100312 has 8 divisors (see below), whose sum is σ = 3772918313100. Its totient is φ = 1006111550152.

The previous prime is 2012223100289. The next prime is 2012223100339. The reversal of 2012223100312 is 2130013222102.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2012223100312.

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, 125763943762 + ... + 125763943777.

Almost surely, 2^{2012223100312} is an apocalyptic number.

It is an amenable number.

2012223100312 is a deficient number, since it is larger than the sum of its proper divisors (1760695212788).

2012223100312 is a wasteful number, since it uses less digits than its factorization.

2012223100312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251527887545 (or 251527887541 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2012223100312 its reverse (2130013222102), we get a palindrome (4142236322414).

The spelling of 2012223100312 in words is "two trillion, twelve billion, two hundred twenty-three million, one hundred thousand, three hundred twelve".