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12301222012 = 224679657257
BaseRepresentation
bin10110111010011010…
…11100000001111100
31011202021220211021021
423131031130001330
5200143103101022
65352345513524
7613556443012
oct133515340174
934667824237
1012301222012
1152427a0192
1224737a28a4
13121069c8c1
14849a2c8b2
154bee217c7
hex2dd35c07c

12301222012 has 12 divisors (see below), whose sum is σ = 21531772080. Its totient is φ = 6149287136.

The previous prime is 12301222007. The next prime is 12301222027. The reversal of 12301222012 is 21022210321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309913 + ... + 347344.

It is an arithmetic number, because the mean of its divisors is an integer number (1794314340).

Almost surely, 212301222012 is an apocalyptic number.

It is an amenable number.

12301222012 is a deficient number, since it is larger than the sum of its proper divisors (9230550068).

12301222012 is a wasteful number, since it uses less digits than its factorization.

12301222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661940 (or 661938 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12301222012 its reverse (21022210321), we get a palindrome (33323432333).

The spelling of 12301222012 in words is "twelve billion, three hundred one million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 4 4679 9358 18716 657257 1314514 2629028 3075305503 6150611006 12301222012