Search a number
-
+
12000012213 = 375211096793
BaseRepresentation
bin10110010110100000…
…11010011110110101
31010222022010210002210
423023100122132311
5144034000342323
65302425524033
7603241264230
oct131320323665
933868123083
1012000012213
1150a876a872
1223aa943619
13119316a257
1481ba22417
154a3774293
hex2cb41a7b5

12000012213 has 16 divisors (see below), whose sum is σ = 18320846976. Its totient is φ = 6843982080.

The previous prime is 12000012181. The next prime is 12000012289. The reversal of 12000012213 is 31221000021.

It is not a de Polignac number, because 12000012213 - 25 = 12000012181 is a prime.

It is a super-2 number, since 2×120000122132 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000010213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537456 + ... + 559337.

It is an arithmetic number, because the mean of its divisors is an integer number (1145052936).

Almost surely, 212000012213 is an apocalyptic number.

It is an amenable number.

12000012213 is a deficient number, since it is larger than the sum of its proper divisors (6320834763).

12000012213 is a wasteful number, since it uses less digits than its factorization.

12000012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097324.

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

Adding to 12000012213 its reverse (31221000021), we get a palindrome (43221012234).

The spelling of 12000012213 in words is "twelve billion, twelve thousand, two hundred thirteen".

Divisors: 1 3 7 21 521 1563 3647 10941 1096793 3290379 7677551 23032653 571429153 1714287459 4000004071 12000012213