1912200223112 has 32 divisors (see below), whose sum is σ = 3799472707800. Its totient is φ = 900615744000.

The previous prime is 1912200223099. The next prime is 1912200223267. The reversal of 1912200223112 is 2113220022191.

It can be written as a sum of positive squares in 4 ways, for example, as 842808458116 + 1069391764996 = 918046^2 + 1034114^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100505639 + ... + 100524662.

Almost surely, 2^{1912200223112} is an apocalyptic number.

It is an amenable number.

1912200223112 is a deficient number, since it is larger than the sum of its proper divisors (1887272484688).

1912200223112 is a wasteful number, since it uses less digits than its factorization.

1912200223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201030377 (or 201030373 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

It can be divided in two parts, 1912200 and 223112, that added together give a palindrome (2135312).

The spelling of 1912200223112 in words is "one trillion, nine hundred twelve billion, two hundred million, two hundred twenty-three thousand, one hundred twelve".