Search a number
-
+
12211023133 = 1671972391553
BaseRepresentation
bin10110101111101010…
…10110110100011101
31011112000012020200001
423113311112310131
5200002010220013
65335404334301
7611412661351
oct132765266435
934460166601
1012211023133
1151a6893461
122449544391
1311c7aab29a
1483ba6d461
154b7055ddd
hex2d7d56d1d

12211023133 has 16 divisors (see below), whose sum is σ = 12406141440. Its totient is φ = 12018017536.

The previous prime is 12211023131. The next prime is 12211023137. The reversal of 12211023133 is 33132011221.

It is a cyclic number.

It is not a de Polignac number, because 12211023133 - 21 = 12211023131 is a prime.

It is a super-2 number, since 2×122110231332 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12211023133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211023131) 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, 7862085 + ... + 7863637.

It is an arithmetic number, because the mean of its divisors is an integer number (775383840).

Almost surely, 212211023133 is an apocalyptic number.

It is an amenable number.

12211023133 is a deficient number, since it is larger than the sum of its proper divisors (195118307).

12211023133 is a wasteful number, since it uses less digits than its factorization.

12211023133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12211023133 its reverse (33132011221), we get a palindrome (45343034354).

The spelling of 12211023133 in words is "twelve billion, two hundred eleven million, twenty-three thousand, one hundred thirty-three".

Divisors: 1 167 197 239 1553 32899 39913 47083 259351 305941 371167 7862861 51092147 61984889 73119899 12211023133