1012202020112 has 20 divisors (see below), whose sum is σ = 1961653179420. Its totient is φ = 505968941568.

The previous prime is 1012202020111. The next prime is 1012202020129. The reversal of 1012202020112 is 2110202022101.

It can be written as a sum of positive squares in 2 ways, for example, as 142690529536 + 869511490576 = 377744^2 + 932476^2 .

It is not an unprimeable number, because it can be changed into a prime (1012202020111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8191037 + ... + 8313692.

It is an arithmetic number, because the mean of its divisors is an integer number (98082658971).

Almost surely, 2^{1012202020112} is an apocalyptic number.

It is an amenable number.

1012202020112 is a deficient number, since it is larger than the sum of its proper divisors (949451159308).

1012202020112 is a wasteful number, since it uses less digits than its factorization.

1012202020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16508570 (or 16508564 counting only the distinct ones).

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

Adding to 1012202020112 its reverse (2110202022101), we get a palindrome (3122404042213).

The spelling of 1012202020112 in words is "one trillion, twelve billion, two hundred two million, twenty thousand, one hundred twelve".