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12310123412 = 2254716693371
BaseRepresentation
bin10110111011011110…
…11001001110010100
31011202220200001200202
423131233121032110
5200202342422122
65353304400032
7614025215426
oct133557311624
934686601622
1012310123412
11524781aa14
122476776018
1312124983c2
1484aca8816
154c0acde92
hex2ddbd9394

12310123412 has 24 divisors (see below), whose sum is σ = 21601436640. Its totient is φ = 6138306720.

The previous prime is 12310123403. The next prime is 12310123429. The reversal of 12310123412 is 21432101321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3650087 + ... + 3653457.

It is an arithmetic number, because the mean of its divisors is an integer number (900059860).

Almost surely, 212310123412 is an apocalyptic number.

It is an amenable number.

12310123412 is a deficient number, since it is larger than the sum of its proper divisors (9291313228).

12310123412 is a wasteful number, since it uses less digits than its factorization.

12310123412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591 (or 5589 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12310123412 its reverse (21432101321), we get a palindrome (33742224733).

The spelling of 12310123412 in words is "twelve billion, three hundred ten million, one hundred twenty-three thousand, four hundred twelve".

Divisors: 1 2 4 547 1094 1669 2188 3338 3371 6676 6742 13484 912943 1825886 1843937 3651772 3687874 5626199 7375748 11252398 22504796 3077530853 6155061706 12310123412