201003012 has 96 divisors (see below), whose sum is σ = 601923840. Its totient is φ = 56816640.

The previous prime is 201003007. The next prime is 201003013. The reversal of 201003012 is 210300102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201002985 and 201003003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201003013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71962 + ... + 74702.

It is an arithmetic number, because the mean of its divisors is an integer number (6270040).

Almost surely, 2^201003012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201003012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300961920).

201003012 is an abundant number, since it is smaller than the sum of its proper divisors (400920828).

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

201003012 is a wasteful number, since it uses less digits than its factorization.

201003012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858 (or 2850 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 201003012 is about 14177.5531034096. The cubic root of 201003012 is about 585.7795262191.

Adding to 201003012 its reverse (210300102), we get a palindrome (411303114).

The spelling of 201003012 in words is "two hundred one million, three thousand, twelve".