1012122020112 has 80 divisors (see below), whose sum is σ = 3000569058432. Its totient is φ = 287977789440.

The previous prime is 1012122020033. The next prime is 1012122020159. The reversal of 1012122020112 is 2110202212101.

It is a junction number, because it is equal to n+sod(n) for n = 1012122020091 and 1012122020100.

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 15 ways as a sum of consecutive naturals, for example, 6168543 + ... + 6330494.

Almost surely, 2^{1012122020112} is an apocalyptic number.

1012122020112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012122020112 is an abundant number, since it is smaller than the sum of its proper divisors (1988447038320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012122020112 is a wasteful number, since it uses less digits than its factorization.

1012122020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12499296 (or 12499290 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1012122020112 its reverse (2110202212101), we get a palindrome (3122324232213).

The spelling of 1012122020112 in words is "one trillion, twelve billion, one hundred twenty-two million, twenty thousand, one hundred twelve".