201001100001200 has 30 divisors (see below), whose sum is σ = 482905142753844. Its totient is φ = 80400440000320.

The previous prime is 201001100001193. The next prime is 201001100001239. The reversal of 201001100001200 is 2100001100102.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 251251374602 + ... + 251251375401.

Almost surely, 2^{201001100001200} is an apocalyptic number.

201001100001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201001100001200 is an abundant number, since it is smaller than the sum of its proper divisors (281904042752644).

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

201001100001200 is a wasteful number, since it uses less digits than its factorization.

201001100001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502502750021 (or 502502750010 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 201001100001200 its reverse (2100001100102), we get a palindrome (203101101101302).

The spelling of 201001100001200 in words is "two hundred one trillion, one billion, one hundred million, one thousand, two hundred".