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12310010031222 = 232683889446179
BaseRepresentation
bin1011001100100010010111…
…0001100110110001110110
31121120211021202122101220200
42303020211301212301312
53103141400031444342
642103050204541330
72410240344546351
oct263104561466166
947524252571820
1012310010031222
113a16711817782
121469919551846
136b3aa130b797
14307b44335298
151653292be94c
hexb3225c66c76

12310010031222 has 12 divisors (see below), whose sum is σ = 26671688401020. Its totient is φ = 4103336677068.

The previous prime is 12310010031217. The next prime is 12310010031233. The reversal of 12310010031222 is 22213001001321.

12310010031222 is a `hidden beast` number, since 1 + 2 + 310 + 0 + 100 + 31 + 222 = 666.

12310010031222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 683889446179 = 12310010031222 / (1 + 2 + 3 + 1 + 0 + 0 + 1 + 0 + 0 + 3 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 12310010031195 and 12310010031204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 341944723072 + ... + 341944723107.

It is an arithmetic number, because the mean of its divisors is an integer number (2222640700085).

Almost surely, 212310010031222 is an apocalyptic number.

12310010031222 is an abundant number, since it is smaller than the sum of its proper divisors (14361678369798).

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

12310010031222 is a wasteful number, since it uses less digits than its factorization.

12310010031222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683889446187 (or 683889446184 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12310010031222 its reverse (22213001001321), we get a palindrome (34523011032543).

The spelling of 12310010031222 in words is "twelve trillion, three hundred ten billion, ten million, thirty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 683889446179 1367778892358 2051668338537 4103336677074 6155005015611 12310010031222