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12111042130 = 2511195794757
BaseRepresentation
bin10110100011101111…
…11101011001010010
31011021001001200111221
423101313331121102
5144300411322010
65321433355254
7606060105505
oct132167753122
934231050457
1012111042130
115155405230
12241bb68b2a
1311b0173325
1482c68513c
154ad3a6dda
hex2d1dfd652

12111042130 has 32 divisors (see below), whose sum is σ = 25033354560. Its totient is φ = 4172224320.

The previous prime is 12111042067. The next prime is 12111042133. The reversal of 12111042130 is 3124011121.

It is not an unprimeable number, because it can be changed into a prime (12111042133) 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, 2895289 + ... + 2899468.

It is an arithmetic number, because the mean of its divisors is an integer number (782292330).

Almost surely, 212111042130 is an apocalyptic number.

12111042130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111042130 is an abundant number, since it is smaller than the sum of its proper divisors (12922312430).

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

12111042130 is a wasteful number, since it uses less digits than its factorization.

12111042130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5794794.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12111042130 its reverse (3124011121), we get a palindrome (15235053251).

The spelling of 12111042130 in words is "twelve billion, one hundred eleven million, forty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 190 209 418 1045 2090 5794757 11589514 28973785 57947570 63742327 110100383 127484654 220200766 318711635 550501915 637423270 1101003830 1211104213 2422208426 6055521065 12111042130