201100203012 has 24 divisors (see below), whose sum is σ = 469437091200. Its totient is φ = 67004360416.

The previous prime is 201100202983. The next prime is 201100203049. The reversal of 201100203012 is 210302001102.

It is a super-2 number, since 2×201100203012² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 3601212 + ... + 3656627.

It is an arithmetic number, because the mean of its divisors is an integer number (19559878800).

Almost surely, 2^201100203012 is an apocalyptic number.

It is an amenable number.

201100203012 is an abundant number, since it is smaller than the sum of its proper divisors (268336888188).

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

201100203012 is a wasteful number, since it uses less digits than its factorization.

201100203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7260155 (or 7260153 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 201100203012 its reverse (210302001102), we get a palindrome (411402204114).

The spelling of 201100203012 in words is "two hundred one billion, one hundred million, two hundred three thousand, twelve".