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12010201011 = 325983272507
BaseRepresentation
bin10110010111101110…
…10001111110110011
31011000000022102111200
423023313101332303
5144044102413021
65303432142243
7603424011204
oct131367217663
934000272450
1012010201011
115103499866
1223b2237983
1311952c6a23
1481d1155ab
154a45d8126
hex2cbdd1fb3

12010201011 has 24 divisors (see below), whose sum is σ = 17854724160. Its totient is φ = 7776231216.

The previous prime is 12010201003. The next prime is 12010201057. The reversal of 12010201011 is 11010201021.

It is a happy number.

It is not a de Polignac number, because 12010201011 - 23 = 12010201003 is a prime.

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 = 12010200984 and 12010201002.

It is not an unprimeable number, because it can be changed into a prime (12010206011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92181 + ... + 180326.

It is an arithmetic number, because the mean of its divisors is an integer number (743946840).

Almost surely, 212010201011 is an apocalyptic number.

12010201011 is a deficient number, since it is larger than the sum of its proper divisors (5844523149).

12010201011 is a wasteful number, since it uses less digits than its factorization.

12010201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272655 (or 272652 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12010201011 its reverse (11010201021), we get a palindrome (23020402032).

The spelling of 12010201011 in words is "twelve billion, ten million, two hundred one thousand, eleven".

Divisors: 1 3 9 59 83 177 249 531 747 4897 14691 44073 272507 817521 2452563 16077913 22618081 48233739 67854243 144701217 203562729 1334466779 4003400337 12010201011