1000111212300 has 72 divisors (see below), whose sum is σ = 2893822408512. Its totient is φ = 266680904000.

The previous prime is 1000111212137. The next prime is 1000111212329. The reversal of 1000111212300 is 32121110001.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5676535 + ... + 5850065.

It is an arithmetic number, because the mean of its divisors is an integer number (40191977896).

Almost surely, 2^{1000111212300} is an apocalyptic number.

1000111212300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000111212300 is an abundant number, since it is smaller than the sum of its proper divisors (1893711196212).

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

1000111212300 is a wasteful number, since it uses less digits than its factorization.

1000111212300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192759 (or 192752 counting only the distinct ones).

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

Adding to 1000111212300 its reverse (32121110001), we get a palindrome (1032232322301).

The spelling of 1000111212300 in words is "one trillion, one hundred eleven million, two hundred twelve thousand, three hundred".