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201102012 = 223215113697
BaseRepresentation
bin10111111110010…
…01001010111100
3112000102001002200
423333021022330
5402440231022
631542151500
74661224146
oct1377111274
9460361080
10201102012
11a3575a11
1257422590
1332881a97
141c9cbc96
15129c5bac
hexbfc92bc

201102012 has 36 divisors (see below), whose sum is σ = 508815216. Its totient is φ = 66971520.

The previous prime is 201102001. The next prime is 201102019. The reversal of 201102012 is 210201102.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 201101985 and 201102003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52548 + ... + 56244.

It is an arithmetic number, because the mean of its divisors is an integer number (14133756).

Almost surely, 2201102012 is an apocalyptic number.

It is an amenable number.

201102012 is an abundant number, since it is smaller than the sum of its proper divisors (307713204).

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

201102012 is a wasteful number, since it uses less digits than its factorization.

201102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5218 (or 5213 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 201102012 is about 14181.0441082453. The cubic root of 201102012 is about 585.8756817513.

Adding to 201102012 its reverse (210201102), we get a palindrome (411303114).

It can be divided in two parts, 20110 and 2012, that added together give a palindrome (22122).

The spelling of 201102012 in words is "two hundred one million, one hundred two thousand, twelve".