20030012112 has 80 divisors (see below), whose sum is σ = 56468671488. Its totient is φ = 6067501440.

The previous prime is 20030012099. The next prime is 20030012131. The reversal of 20030012112 is 21121003002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2013583 + ... + 2023505.

Almost surely, 2^20030012112 is an apocalyptic number.

20030012112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20030012112 is an abundant number, since it is smaller than the sum of its proper divisors (36438659376).

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

20030012112 is a wasteful number, since it uses less digits than its factorization.

20030012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13768 (or 13762 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20030012112 its reverse (21121003002), we get a palindrome (41151015114).

The spelling of 20030012112 in words is "twenty billion, thirty million, twelve thousand, one hundred twelve".