1112223020212 has 24 divisors (see below), whose sum is σ = 1987715987712. Its totient is φ = 544352858400.

The previous prime is 1112223020143. The next prime is 1112223020267. The reversal of 1112223020212 is 2120203222111.

It is a self number, because there is not a number n which added to its sum of digits gives 1112223020212.

It is a congruent number.

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, 5994864 + ... + 6177607.

It is an arithmetic number, because the mean of its divisors is an integer number (82821499488).

Almost surely, 2^{1112223020212} is an apocalyptic number.

It is an amenable number.

1112223020212 is a deficient number, since it is larger than the sum of its proper divisors (875492967500).

1112223020212 is a wasteful number, since it uses less digits than its factorization.

1112223020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12172959 (or 12172957 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1112223020212 its reverse (2120203222111), we get a palindrome (3232426242323).

The spelling of 1112223020212 in words is "one trillion, one hundred twelve billion, two hundred twenty-three million, twenty thousand, two hundred twelve".