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100212222111210 = 2325112367131949801
BaseRepresentation
bin10110110010010001111001…
…111001101010110111101010
3111010211012021001122210102200
4112302101321321222313222
5101113334112330024320
6553044505335041030
730052044166261446
oct2662217171526752
9433735231583380
10100212222111210
1129a26845944430
12b2a5972510176
1343bbc83626291
141aa642420b826
15b8bb3ac3a290
hex5b2479e6adea

100212222111210 has 384 divisors, whose sum is σ = 301257573027840. Its totient is φ = 22872972672000.

The previous prime is 100212222111181. The next prime is 100212222111227. The reversal of 100212222111210 is 12111222212001.

100212222111210 is a `hidden beast` number, since 1 + 0 + 0 + 21 + 222 + 211 + 1 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2012228310 + ... + 2012278110.

It is an arithmetic number, because the mean of its divisors is an integer number (784524929760).

Almost surely, 2100212222111210 is an apocalyptic number.

100212222111210 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 100212222111210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150628786513920).

100212222111210 is an abundant number, since it is smaller than the sum of its proper divisors (201045350916630).

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

100212222111210 is a wasteful number, since it uses less digits than its factorization.

100212222111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51234 (or 51231 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 100212222111210 its reverse (12111222212001), we get a palindrome (112323444323211).

The spelling of 100212222111210 in words is "one hundred trillion, two hundred twelve billion, two hundred twenty-two million, one hundred eleven thousand, two hundred ten".