20120112276 has 48 divisors (see below), whose sum is σ = 51333256128. Its totient is φ = 6082905600.

The previous prime is 20120112211. The next prime is 20120112277. The reversal of 20120112276 is 67221102102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120112277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118855 + ... + 233166.

It is an arithmetic number, because the mean of its divisors is an integer number (1069442836).

Almost surely, 2^20120112276 is an apocalyptic number.

It is an amenable number.

20120112276 is an abundant number, since it is smaller than the sum of its proper divisors (31213143852).

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

20120112276 is a wasteful number, since it uses less digits than its factorization.

20120112276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352472 (or 352470 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 20120112276 its reverse (67221102102), we get a palindrome (87341214378).

The spelling of 20120112276 in words is "twenty billion, one hundred twenty million, one hundred twelve thousand, two hundred seventy-six".