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12212622344076 = 22371123386365731
BaseRepresentation
bin1011000110110111100100…
…0001000011111110001100
31121020111220122112022012220
42301231321001003332030
53100042422310002301
641550222400455340
72400222111063330
oct261557101037614
947214818468186
1012212622344076
113989386a26a20
121452a7a61a550
136a7850a934bb
143031461dd7c0
15162a29598936
hexb1b79043f8c

12212622344076 has 192 divisors, whose sum is σ = 35721995452416. Its totient is φ = 3154787596800.

The previous prime is 12212622343993. The next prime is 12212622344077. The reversal of 12212622344076 is 67044322621221.

12212622344076 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 (42).

It is not an unprimeable number, because it can be changed into a prime (12212622344077) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 185764131 + ... + 185829861.

It is an arithmetic number, because the mean of its divisors is an integer number (186052059648).

Almost surely, 212212622344076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12212622344076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17860997726208).

12212622344076 is an abundant number, since it is smaller than the sum of its proper divisors (23509373108340).

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

12212622344076 is a wasteful number, since it uses less digits than its factorization.

12212622344076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66852 (or 66850 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

Adding to 12212622344076 its reverse (67044322621221), we get a palindrome (79256944965297).

The spelling of 12212622344076 in words is "twelve trillion, two hundred twelve billion, six hundred twenty-two million, three hundred forty-four thousand, seventy-six".