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201012210022212 = 22325583672500617
BaseRepresentation
bin101101101101000111001101…
…010111111011011101000100
3222100201120122112100212201100
4231231013031113323131010
5202321341001231202322
61551303422351100100
760224436644456121
oct5555071527733504
9870646575325640
10201012210022212
11590598881a8696
121a66561a511630
1388214a7075224
14378d085919748
151838bc770edac
hexb6d1cd5fb744

201012210022212 has 18 divisors (see below), whose sum is σ = 508114197556238. Its totient is φ = 67004070007392.

The previous prime is 201012210022201. The next prime is 201012210022231. The reversal of 201012210022212 is 212220012210102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 126382204256256 + 74630005765956 = 11241984^2 + 8638866^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 2791836250273 + ... + 2791836250344.

Almost surely, 2201012210022212 is an apocalyptic number.

It is an amenable number.

201012210022212 is an abundant number, since it is smaller than the sum of its proper divisors (307101987534026).

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

201012210022212 is a wasteful number, since it uses less digits than its factorization.

201012210022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5583672500627 (or 5583672500622 counting only the distinct ones).

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

Adding to 201012210022212 its reverse (212220012210102), we get a palindrome (413232222232314).

The spelling of 201012210022212 in words is "two hundred one trillion, twelve billion, two hundred ten million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 5583672500617 11167345001234 16751017501851 22334690002468 33502035003702 50253052505553 67004070007404 100506105011106 201012210022212