1020112300 has 18 divisors (see below), whose sum is σ = 2213643908. Its totient is φ = 408044880.

The previous prime is 1020112279. The next prime is 1020112339. The reversal of 1020112300 is 32110201.

It is a super-2 number, since 2×1020112300² = 2081258209222580000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5100462 + ... + 5100661.

Almost surely, 2^1020112300 is an apocalyptic number.

1020112300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020112300 is an abundant number, since it is smaller than the sum of its proper divisors (1193531608).

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

1020112300 is a wasteful number, since it uses less digits than its factorization.

1020112300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10201137 (or 10201130 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1020112300 is about 31939.1969216510. The cubic root of 1020112300 is about 1006.6596506000.

Adding to 1020112300 its reverse (32110201), we get a palindrome (1052222501).

The spelling of 1020112300 in words is "one billion, twenty million, one hundred twelve thousand, three hundred".