1002112001200 has 30 divisors (see below), whose sum is σ = 2407574083844. Its totient is φ = 400844800320.

The previous prime is 1002112001183. The next prime is 1002112001201. The reversal of 1002112001200 is 21002112001.

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 (1002112001201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1252639602 + ... + 1252640401.

Almost surely, 2^{1002112001200} is an apocalyptic number.

1002112001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002112001200 is an abundant number, since it is smaller than the sum of its proper divisors (1405462082644).

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

1002112001200 is a wasteful number, since it uses less digits than its factorization.

1002112001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505280021 (or 2505280010 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1002112001200 its reverse (21002112001), we get a palindrome (1023114113201).

The spelling of 1002112001200 in words is "one trillion, two billion, one hundred twelve million, one thousand, two hundred".