1012204112 has 20 divisors (see below), whose sum is σ = 1962552960. Its totient is φ = 505738848.

The previous prime is 1012204111. The next prime is 1012204181. The reversal of 1012204112 is 2114022101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012204111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043 + ... + 45005.

It is an arithmetic number, because the mean of its divisors is an integer number (98127648).

Almost surely, 2^1012204112 is an apocalyptic number.

It is an amenable number.

1012204112 is a deficient number, since it is larger than the sum of its proper divisors (950348848).

1012204112 is a wasteful number, since it uses less digits than its factorization.

1012204112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45410 (or 45404 counting only the distinct ones).

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

The square root of 1012204112 is about 31815.1553823017. The cubic root of 1012204112 is about 1004.0515997036.

Adding to 1012204112 its reverse (2114022101), we get a palindrome (3126226213).

The spelling of 1012204112 in words is "one billion, twelve million, two hundred four thousand, one hundred twelve".