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22002010212 = 22371361557593
BaseRepresentation
bin10100011111011011…
…000000100001100100
32002210100122220222010
4110133123000201210
5330030003311322
614035123234220
71406142000240
oct243733004144
962710586863
1022002010212
119370619a16
124320518970
1320c83a6c70
1410ca145420
1588b8c920c
hex51f6c0864

22002010212 has 192 divisors, whose sum is σ = 64444875264. Its totient is φ = 5687746560.

The previous prime is 22002010187. The next prime is 22002010237. The reversal of 22002010212 is 21201020022.

It is an interprime number because it is at equal distance from previous prime (22002010187) and next prime (22002010237).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37102588 + ... + 37103180.

It is an arithmetic number, because the mean of its divisors is an integer number (335650392).

Almost surely, 222002010212 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 22002010212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32222437632).

22002010212 is an abundant number, since it is smaller than the sum of its proper divisors (42442865052).

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

22002010212 is a wasteful number, since it uses less digits than its factorization.

22002010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22002010212 its reverse (21201020022), we get a palindrome (43203030234).

The spelling of 22002010212 in words is "twenty-two billion, two million, ten thousand, two hundred twelve".