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12201020132 = 2271733251443
BaseRepresentation
bin10110101110011110…
…01100101011100100
31011111022101001010112
423113033030223210
5144441430121012
65334410112152
7611231650160
oct132717145344
934438331115
1012201020132
1151a1181014
12244611b658
1311c59b8252
1483a5c7ca0
154b622c122
hex2d73ccae4

12201020132 has 24 divisors (see below), whose sum is σ = 24416218176. Its totient is φ = 5225970528.

The previous prime is 12201020093. The next prime is 12201020149. The reversal of 12201020132 is 23102010221.

It is a happy number.

It is a super-2 number, since 2×122010201322 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77198 + ... + 174245.

It is an arithmetic number, because the mean of its divisors is an integer number (1017342424).

Almost surely, 212201020132 is an apocalyptic number.

It is an amenable number.

12201020132 is an abundant number, since it is smaller than the sum of its proper divisors (12215198044).

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

12201020132 is a wasteful number, since it uses less digits than its factorization.

12201020132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253187 (or 253185 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12201020132 its reverse (23102010221), we get a palindrome (35303030353).

The spelling of 12201020132 in words is "twelve billion, two hundred one million, twenty thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 1733 3466 6932 12131 24262 48524 251443 502886 1005772 1760101 3520202 7040404 435750719 871501438 1743002876 3050255033 6100510066 12201020132