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12240213130 = 255092404757
BaseRepresentation
bin10110110011001001…
…01101010010001010
31011121001010020211001
423121210231102022
5200031443310010
65342330125214
7612216044365
oct133144552212
934531106731
1012240213130
115211310322
12245728080a
131200b5b682
148418ab0dc
154b98bec3a
hex2d992d48a

12240213130 has 16 divisors (see below), whose sum is σ = 22075678440. Its totient is φ = 4886464192.

The previous prime is 12240213043. The next prime is 12240213131. The reversal of 12240213130 is 3131204221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12235235769 + 4977361 = 110613^2 + 2231^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12240213098 and 12240213107.

It is not an unprimeable number, because it can be changed into a prime (12240213131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197289 + ... + 1207468.

Almost surely, 212240213130 is an apocalyptic number.

12240213130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12240213130 is a deficient number, since it is larger than the sum of its proper divisors (9835465310).

12240213130 is a wasteful number, since it uses less digits than its factorization.

12240213130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405273.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12240213130 its reverse (3131204221), we get a palindrome (15371417351).

The spelling of 12240213130 in words is "twelve billion, two hundred forty million, two hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 5 10 509 1018 2545 5090 2404757 4809514 12023785 24047570 1224021313 2448042626 6120106565 12240213130