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2112303111222 = 232912139673053
BaseRepresentation
bin11110101111001111000…
…100111001110000110110
321110221020000221222222210
4132233033010321300312
5234101444044024342
64254213442234250
7305415561125343
oct36571704716066
97427200858883
102112303111222
117449060474a7
122a1466055986
1312425cc55585
14743438b17ca
1539e2c3ad79c
hex1ebcf139c36

2112303111222 has 16 divisors (see below), whose sum is σ = 4370282299440. Its totient is φ = 679821690912.

The previous prime is 2112303111197. The next prime is 2112303111223. The reversal of 2112303111222 is 2221113032112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112303111223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6069836353 + ... + 6069836700.

It is an arithmetic number, because the mean of its divisors is an integer number (273142643715).

Almost surely, 22112303111222 is an apocalyptic number.

2112303111222 is an abundant number, since it is smaller than the sum of its proper divisors (2257979188218).

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

2112303111222 is a wasteful number, since it uses less digits than its factorization.

2112303111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12139673087.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2112303111222 its reverse (2221113032112), we get a palindrome (4333416143334).

The spelling of 2112303111222 in words is "two trillion, one hundred twelve billion, three hundred three million, one hundred eleven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 29 58 87 174 12139673053 24279346106 36419019159 72838038318 352050518537 704101037074 1056151555611 2112303111222