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312112141211230 = 2531211214121123
BaseRepresentation
bin100011011110111010100010…
…1010011101001011001011110
31111221002121222202111110122021
41012331311011103221121132
5311402121131122224410
63023450201021410354
7122512233550201303
oct10675650523513136
91457077882443567
10312112141211230
11904a3019a70098
122b0095107099ba
1310520082aab399
145710445b310aa
152613b4682eeda
hex11bdd454e965e

312112141211230 has 8 divisors (see below), whose sum is σ = 561801854180232. Its totient is φ = 124844856484488.

The previous prime is 312112141211203. The next prime is 312112141211231. The reversal of 312112141211230 is 32112141211213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3121121412112302 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312112141211195 and 312112141211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312112141211231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15605607060552 + ... + 15605607060571.

It is an arithmetic number, because the mean of its divisors is an integer number (70225231772529).

Almost surely, 2312112141211230 is an apocalyptic number.

312112141211230 is a deficient number, since it is larger than the sum of its proper divisors (249689712969002).

312112141211230 is a wasteful number, since it uses less digits than its factorization.

312112141211230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31211214121130.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 312112141211230 its reverse (32112141211213), we get a palindrome (344224282422443).

The spelling of 312112141211230 in words is "three hundred twelve trillion, one hundred twelve billion, one hundred forty-one million, two hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 31211214121123 62422428242246 156056070605615 312112141211230