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2212212122010 = 2325113130314173
BaseRepresentation
bin100000001100010010000…
…111100010000110011010
321211111002212101121111200
4200030102013202012122
5242221102300401020
64412135355135030
7315553451531232
oct40142207420632
97744085347450
102212212122010
11783215086000
122b88a9444476
131307c2957a37
1479100808cc2
153c828623590
hex203121e219a

2212212122010 has 192 divisors, whose sum is σ = 6331796580096. Its totient is φ = 535844453760.

The previous prime is 2212212121963. The next prime is 2212212122023. The reversal of 2212212122010 is 102212122122.

It is a happy number.

2212212122010 is a `hidden beast` number, since 221 + 2 + 212 + 1 + 220 + 10 = 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 95 ways as a sum of consecutive naturals, for example, 156079284 + ... + 156093456.

It is an arithmetic number, because the mean of its divisors is an integer number (32978107188).

Almost surely, 22212212122010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212212122010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3165898290048).

2212212122010 is an abundant number, since it is smaller than the sum of its proper divisors (4119584458086).

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

2212212122010 is a wasteful number, since it uses less digits than its factorization.

2212212122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15522 (or 15497 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2212212122010 its reverse (102212122122), we get a palindrome (2314424244132).

The spelling of 2212212122010 in words is "two trillion, two hundred twelve billion, two hundred twelve million, one hundred twenty-two thousand, ten".