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212010222112201 = 400152989308201
BaseRepresentation
bin110000001101001001111001…
…111110100100110111001001
31000210122222102220102021011001
4300031021321332210313021
5210242033413330042301
62030524052414535001
762441142642003442
oct6015117176446711
91023588386367131
10212010222112201
116160a037318367
121b941002507461
13913b62a695b66
143a4d4c70622c9
151979d145e3c01
hexc0d279fa4dc9

212010222112201 has 4 divisors (see below), whose sum is σ = 212063211424404. Its totient is φ = 211957232800000.

The previous prime is 212010222112127. The next prime is 212010222112229. The reversal of 212010222112201 is 102211222010212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17510241106576 + 194499981005625 = 4184524^2 + 13946325^2 .

It is a cyclic number.

It is not a de Polignac number, because 212010222112201 - 29 = 212010222111689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212010222112291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26494650100 + ... + 26494658101.

It is an arithmetic number, because the mean of its divisors is an integer number (53015802856101).

Almost surely, 2212010222112201 is an apocalyptic number.

It is an amenable number.

212010222112201 is a deficient number, since it is larger than the sum of its proper divisors (52989312203).

212010222112201 is an equidigital number, since it uses as much as digits as its factorization.

212010222112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52989312202.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212010222112201 its reverse (102211222010212), we get a palindrome (314221444122413).

The spelling of 212010222112201 in words is "two hundred twelve trillion, ten billion, two hundred twenty-two million, one hundred twelve thousand, two hundred one".

Divisors: 1 4001 52989308201 212010222112201