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211212020212112 = 24101130700507557
BaseRepresentation
bin110000000001100010100001…
…011011111110000110010000
31000200211200010211201110112102
4300001202201123332012100
5210140444204133241422
62025113243530015532
762326364520543263
oct6001424133760620
91020750124643472
10211212020212112
116133157313a757
121b83237a2775a8
1390b12920c273a
143a22a0583acda
1519641990d2192
hexc018a16fe190

211212020212112 has 20 divisors (see below), whose sum is σ = 413275004898396. Its totient is φ = 104560406044800.

The previous prime is 211212020212079. The next prime is 211212020212117.

211212020212112 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 120941575054336 + 90270445157776 = 10997344^2 + 9501076^2 .

It is a super-2 number, since 2×2112120202121122 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211212020212117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65350252163 + ... + 65350255394.

Almost surely, 2211212020212112 is an apocalyptic number.

It is an amenable number.

211212020212112 is a deficient number, since it is larger than the sum of its proper divisors (202062984686284).

211212020212112 is a wasteful number, since it uses less digits than its factorization.

211212020212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130700507666 (or 130700507660 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 211212020212112 in words is "two hundred eleven trillion, two hundred twelve billion, twenty million, two hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 16 101 202 404 808 1616 130700507557 261401015114 522802030228 1045604060456 2091208120912 13200751263257 26401502526514 52803005053028 105606010106056 211212020212112