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12212210010 = 235711132937379
BaseRepresentation
bin10110101111110011…
…11000100101011010
31011112002102112202110
423113321320211122
5200002311210020
65335450013150
7611426033550
oct132771704532
934462375673
1012212210010
1151a7524150
122449a171b6
1311c8105590
1483bc9bbd0
154b71dc8e0
hex2d7e7895a

12212210010 has 512 divisors, whose sum is σ = 41919897600. Its totient is φ = 2194698240.

The previous prime is 12212209991. The next prime is 12212210041. The reversal of 12212210010 is 1001221221.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 32222001 + ... + 32222379.

It is an arithmetic number, because the mean of its divisors is an integer number (81874800).

Almost surely, 212212210010 is an apocalyptic number.

12212210010 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 12212210010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20959948800).

12212210010 is an abundant number, since it is smaller than the sum of its proper divisors (29707687590).

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

12212210010 is a wasteful number, since it uses less digits than its factorization.

12212210010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486.

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

Adding to 12212210010 its reverse (1001221221), we get a palindrome (13213431231).

It can be divided in two parts, 12212 and 210010, that added together give a palindrome (222222).

The spelling of 12212210010 in words is "twelve billion, two hundred twelve million, two hundred ten thousand, ten".