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12130233612 = 22372191085771
BaseRepresentation
bin10110100110000010…
…01010110100001100
31011022101011201021120
423103001022310030
5144320314433422
65323401000540
7606412166400
oct132301126414
934271151246
1012130233612
115165223062
122426483150
1311b4132733
1483103d100
154aede845c
hex2d304ad0c

12130233612 has 72 divisors (see below), whose sum is σ = 34657842240. Its totient is φ = 3283368480.

The previous prime is 12130233611. The next prime is 12130233613. The reversal of 12130233612 is 21633203121.

It is an interprime number because it is at equal distance from previous prime (12130233611) and next prime (12130233613).

It is not an unprimeable number, because it can be changed into a prime (12130233611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531714 + ... + 554057.

It is an arithmetic number, because the mean of its divisors is an integer number (481358920).

Almost surely, 212130233612 is an apocalyptic number.

12130233612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12130233612 is an abundant number, since it is smaller than the sum of its proper divisors (22527608628).

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

12130233612 is a wasteful number, since it uses less digits than its factorization.

12130233612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085811 (or 1085802 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12130233612 its reverse (21633203121), we get a palindrome (33763436733).

The spelling of 12130233612 in words is "twelve billion, one hundred thirty million, two hundred thirty-three thousand, six hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 49 57 76 84 98 114 133 147 196 228 266 294 399 532 588 798 931 1596 1862 2793 3724 5586 11172 1085771 2171542 3257313 4343084 6514626 7600397 13029252 15200794 20629649 22801191 30401588 41259298 45602382 53202779 61888947 82518596 91204764 106405558 123777894 144407543 159608337 212811116 247555788 288815086 319216674 433222629 577630172 638433348 866445258 1010852801 1732890516 2021705602 3032558403 4043411204 6065116806 12130233612