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12051122130 = 2325133901357
BaseRepresentation
bin10110011100100110…
…11000011111010010
31011002212022102201200
423032103120133102
5144140041402010
65311453212030
7604431563565
oct131623303722
934085272650
1012051122130
1151245a9473
122403a91016
1311a09238c8
148247284dc
154a7ebccc0
hex2ce4d87d2

12051122130 has 24 divisors (see below), whose sum is σ = 31332917772. Its totient is φ = 3213632544.

The previous prime is 12051122099. The next prime is 12051122227. The reversal of 12051122130 is 3122115021.

12051122130 is a `hidden beast` number, since 1 + 2 + 0 + 511 + 22 + 130 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11590890921 + 460231209 = 107661^2 + 21453^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66950589 + ... + 66950768.

Almost surely, 212051122130 is an apocalyptic number.

12051122130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12051122130 is an abundant number, since it is smaller than the sum of its proper divisors (19281795642).

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

12051122130 is a wasteful number, since it uses less digits than its factorization.

12051122130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133901370 (or 133901367 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 12051122130 its reverse (3122115021), we get a palindrome (15173237151).

The spelling of 12051122130 in words is "twelve billion, fifty-one million, one hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 133901357 267802714 401704071 669506785 803408142 1205112213 1339013570 2008520355 2410224426 4017040710 6025561065 12051122130