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12010001202 = 2321613413653
BaseRepresentation
bin10110010111101101…
…00001001100110010
31010222222221021102100
423023312201030302
5144044030014302
65303424001230
7603422216523
oct131366411462
933888837370
1012010001202
115103372731
1223b2160216
131195256ab4
1481d0a284a
154a4598d1c
hex2cbda1332

12010001202 has 24 divisors (see below), whose sum is σ = 26037864684. Its totient is φ = 4000842144.

The previous prime is 12010001191. The next prime is 12010001209. The reversal of 12010001202 is 20210001021.

12010001202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11388944961 + 621056241 = 106719^2 + 24921^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12010001209) 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, 177793 + ... + 235860.

Almost surely, 212010001202 is an apocalyptic number.

12010001202 is an abundant number, since it is smaller than the sum of its proper divisors (14027863482).

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

12010001202 is a wasteful number, since it uses less digits than its factorization.

12010001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415274 (or 415271 counting only the distinct ones).

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

Adding to 12010001202 its reverse (20210001021), we get a palindrome (32220002223).

The spelling of 12010001202 in words is "twelve billion, ten million, one thousand, two hundred two".

Divisors: 1 2 3 6 9 18 1613 3226 4839 9678 14517 29034 413653 827306 1240959 2481918 3722877 7445754 667222289 1334444578 2001666867 4003333734 6005000601 12010001202