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12212011102012 = 2217274165519299
BaseRepresentation
bin1011000110110101010010…
…0101010110111100111100
31121020110100001100222201221
42301231110211112330330
53100040144320231022
641550042003443124
72400201006442441
oct261552445267474
947213301328657
1012212011102012
1139890a299a797
1214529299864a4
136a778425c8c7
143030c8d6b9c8
151629e0aa9cc7
hexb1b54956f3c

12212011102012 has 24 divisors (see below), whose sum is σ = 22636393995600. Its totient is φ = 5744732048640.

The previous prime is 12212011102001. The next prime is 12212011102013. The reversal of 12212011102012 is 21020111021221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212011102013) 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, 32573262 + ... + 32946037.

It is an arithmetic number, because the mean of its divisors is an integer number (943183083150).

Almost surely, 212212011102012 is an apocalyptic number.

It is an amenable number.

12212011102012 is a deficient number, since it is larger than the sum of its proper divisors (10424382893588).

12212011102012 is a wasteful number, since it uses less digits than its factorization.

12212011102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65522061 (or 65522059 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12212011102012 its reverse (21020111021221), we get a palindrome (33232122123233).

The spelling of 12212011102012 in words is "twelve trillion, two hundred twelve billion, eleven million, one hundred two thousand, twelve".

Divisors: 1 2 4 17 34 68 2741 5482 10964 46597 93194 186388 65519299 131038598 262077196 1113828083 2227656166 4455312332 179588398559 359176797118 718353594236 3053002775503 6106005551006 12212011102012