1002112300 has 144 divisors (see below), whose sum is σ = 2634831360. Its totient is φ = 323389440.

The previous prime is 1002112297. The next prime is 1002112301. The reversal of 1002112300 is 32112001.

It is a super-2 number, since 2×1002112300² = 2008458123622580000, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1002112301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1078236 + ... + 1079164.

It is an arithmetic number, because the mean of its divisors is an integer number (18297440).

Almost surely, 2^1002112300 is an apocalyptic number.

1002112300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002112300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1317415680).

1002112300 is an abundant number, since it is smaller than the sum of its proper divisors (1632719060).

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

1002112300 is a wasteful number, since it uses less digits than its factorization.

1002112300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1033 counting only the distinct ones).

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

The square root of 1002112300 is about 31656.1573789366. The cubic root of 1002112300 is about 1000.7036048241.

Adding to 1002112300 its reverse (32112001), we get a palindrome (1034224301).

The spelling of 1002112300 in words is "one billion, two million, one hundred twelve thousand, three hundred".