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212112300221311 = 772931415485283
BaseRepresentation
bin110000001110101000111110…
…010011101010001101111111
31000211000201220220101111011211
4300032220332103222031333
5210300221442324040221
62031043013455025251
762451415351423210
oct6016507623521577
91024021826344154
10212112300221311
116164935979a606
121b95895020b227
13914814789a459
143a5440c0b1407
15197c7daebe6e1
hexc0ea3e4ea37f

212112300221311 has 8 divisors (see below), whose sum is σ = 242417381861504. Its totient is φ = 181808049697560.

The previous prime is 212112300221281. The next prime is 212112300221357. The reversal of 212112300221311 is 113122003211212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212112300221311 - 211 = 212112300219263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112300222311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207232125 + ... + 208253158.

It is an arithmetic number, because the mean of its divisors is an integer number (30302172732688).

Almost surely, 2212112300221311 is an apocalyptic number.

212112300221311 is a deficient number, since it is larger than the sum of its proper divisors (30305081640193).

212112300221311 is an equidigital number, since it uses as much as digits as its factorization.

212112300221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415558221.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 212112300221311 its reverse (113122003211212), we get a palindrome (325234303432523).

The spelling of 212112300221311 in words is "two hundred twelve trillion, one hundred twelve billion, three hundred million, two hundred twenty-one thousand, three hundred eleven".

Divisors: 1 7 72931 510517 415485283 2908396981 30301757174473 212112300221311