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201012211102212 = 223227132058117409
BaseRepresentation
bin101101101101000111001101…
…011100000011001000000100
3222100201120122121101202012100
4231231013031130003020010
5202321341002020232322
61551303422430152100
760224436656604606
oct5555071534031004
9870646577352170
10201012211102212
1159059888876054
121a66561a952630
1388214a7362993
14378d085b1b176
151838bc7874dac
hexb6d1cd703204

201012211102212 has 36 divisors (see below), whose sum is σ = 508301489217340. Its totient is φ = 66979372925952.

The previous prime is 201012211102201. The next prime is 201012211102243. The reversal of 201012211102212 is 212201112210102.

201012211102212 is a `hidden beast` number, since 20 + 101 + 221 + 110 + 2 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 142734010813956 + 58278200288256 = 11947134^2 + 7634016^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×2010122111022123 (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 11 ways as a sum of consecutive naturals, for example, 1028961037 + ... + 1029156372.

Almost surely, 2201012211102212 is an apocalyptic number.

It is an amenable number.

201012211102212 is an abundant number, since it is smaller than the sum of its proper divisors (307289278115128).

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

201012211102212 is a wasteful number, since it uses less digits than its factorization.

201012211102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058120132 (or 2058120127 counting only the distinct ones).

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

Adding to 201012211102212 its reverse (212201112210102), we get a palindrome (413213323312314).

The spelling of 201012211102212 in words is "two hundred one trillion, twelve billion, two hundred eleven million, one hundred two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 2713 5426 8139 10852 16278 24417 32556 48834 97668 2058117409 4116234818 6174352227 8232469636 12348704454 18523056681 24697408908 37046113362 74092226724 5583672530617 11167345061234 16751017591851 22334690122468 33502035183702 50253052775553 67004070367404 100506105551106 201012211102212