1012030111200 has 144 divisors (see below), whose sum is σ = 3297643937280. Its totient is φ = 269589112320.

The previous prime is 1012030111199. The next prime is 1012030111201. The reversal of 1012030111200 is 21110302101.

It is an interprime number because it is at equal distance from previous prime (1012030111199) and next prime (1012030111201).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012030111201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2050161 + ... + 2495439.

It is an arithmetic number, because the mean of its divisors is an integer number (22900305120).

Almost surely, 2^{1012030111200} is an apocalyptic number.

1012030111200 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 1012030111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648821968640).

1012030111200 is an abundant number, since it is smaller than the sum of its proper divisors (2285613826080).

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

1012030111200 is a wasteful number, since it uses less digits than its factorization.

1012030111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446249 (or 446236 counting only the distinct ones).

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

Adding to 1012030111200 its reverse (21110302101), we get a palindrome (1033140413301).

The spelling of 1012030111200 in words is "one trillion, twelve billion, thirty million, one hundred eleven thousand, two hundred".