Search a number
-
+
12013221341 = 11375711923
BaseRepresentation
bin10110011000000101…
…10011010111011101
31011000012222212121202
423030002303113131
5144100341040331
65304021005245
7603461460632
oct131402632735
934005885552
1012013221341
115105172000
1223b3253825
131195b136c4
1481d6a0189
154a49d2ecb
hex2cc0b35dd

12013221341 has 16 divisors (see below), whose sum is σ = 13232205888. Its totient is φ = 10905768720.

The previous prime is 12013221331. The next prime is 12013221361. The reversal of 12013221341 is 14312231021.

It is a de Polignac number, because none of the positive numbers 2k-12013221341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013221301) 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, 1001606 + ... + 1013528.

It is an arithmetic number, because the mean of its divisors is an integer number (827012868).

Almost surely, 212013221341 is an apocalyptic number.

12013221341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12013221341 is a deficient number, since it is larger than the sum of its proper divisors (1218984547).

12013221341 is an equidigital number, since it uses as much as digits as its factorization.

12013221341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12713 (or 12691 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12013221341 its reverse (14312231021), we get a palindrome (26325452362).

The spelling of 12013221341 in words is "twelve billion, thirteen million, two hundred twenty-one thousand, three hundred forty-one".

Divisors: 1 11 121 757 1331 8327 11923 91597 131153 1007567 1442683 9025711 15869513 99282821 1092111031 12013221341