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12201122010 = 2357211839091
BaseRepresentation
bin10110101110011111…
…00101100011011010
31011111022120012212210
423113033211203122
5144441441401020
65334412215550
7611232553200
oct132717454332
934438505783
1012201122010
1151a1240610
12244616a5b6
1311c5a2272c
1483a613070
154b624c3e0
hex2d73e58da

12201122010 has 192 divisors, whose sum is σ = 37612076544. Its totient is φ = 2504476800.

The previous prime is 12201121987. The next prime is 12201122081. The reversal of 12201122010 is 1022110221.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1337565 + ... + 1346655.

It is an arithmetic number, because the mean of its divisors is an integer number (195896232).

Almost surely, 212201122010 is an apocalyptic number.

12201122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12201122010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18806038272).

12201122010 is an abundant number, since it is smaller than the sum of its proper divisors (25410954534).

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

12201122010 is a wasteful number, since it uses less digits than its factorization.

12201122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9209 (or 9202 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12201122010 its reverse (1022110221), we get a palindrome (13223232231).

The spelling of 12201122010 in words is "twelve billion, two hundred one million, one hundred twenty-two thousand, ten".