1012010111200 has 144 divisors (see below), whose sum is σ = 2746020399696. Its totient is φ = 361060044800.

The previous prime is 1012010111173. The next prime is 1012010111219. The reversal of 1012010111200 is 21110102101.

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

It is a congruent number.

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, 618517 + ... + 1551316.

It is an arithmetic number, because the mean of its divisors is an integer number (19069586109).

Almost surely, 2^{1012010111200} is an apocalyptic number.

1012010111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012010111200 is an abundant number, since it is smaller than the sum of its proper divisors (1734010288496).

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

1012010111200 is a wasteful number, since it uses less digits than its factorization.

1012010111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169917 (or 2169904 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1012010111200 its reverse (21110102101), we get a palindrome (1033120213301).

Subtracting from 1012010111200 its reverse (21110102101), we obtain a palindrome (990900009099).

The spelling of 1012010111200 in words is "one trillion, twelve billion, ten million, one hundred eleven thousand, two hundred".