1202020112 has 40 divisors (see below), whose sum is σ = 2481912576. Its totient is φ = 562639616.

The previous prime is 1202020111. The next prime is 1202020121. The reversal of 1202020112 is 2110202021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1202020093 and 1202020102.

It is not an unprimeable number, because it can be changed into a prime (1202020111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17453 + ... + 52044.

Almost surely, 2^1202020112 is an apocalyptic number.

It is an amenable number.

1202020112 is an abundant number, since it is smaller than the sum of its proper divisors (1279892464).

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

1202020112 is a wasteful number, since it uses less digits than its factorization.

1202020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69575 (or 69569 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1202020112 is about 34670.1616956137. The cubic root of 1202020112 is about 1063.2545374756.

Adding to 1202020112 its reverse (2110202021), we get a palindrome (3312222133).

The spelling of 1202020112 in words is "one billion, two hundred two million, twenty thousand, one hundred twelve".