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212312021022332 = 227114157165822647
BaseRepresentation
bin110000010001100010111110…
…100110000011011001111100
31000211201211102210022101200022
4300101202332212003121330
5210312010004340203312
62031314443532551312
762502015542264060
oct6021427646033174
91024654383271608
10212312021022332
11617160279a4450
121b98b5aa322538
139160c260c271a
143a5dd57075aa0
151982ac9b93172
hexc118be98367c

212312021022332 has 48 divisors (see below), whose sum is σ = 463337663298048. Its totient is φ = 82699070013120.

The previous prime is 212312021022331. The next prime is 212312021022349. The reversal of 212312021022332 is 233220120213212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212312021022331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81630968 + ... + 84191679.

It is an arithmetic number, because the mean of its divisors is an integer number (9652867985376).

Almost surely, 2212312021022332 is an apocalyptic number.

212312021022332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212312021022332 is an abundant number, since it is smaller than the sum of its proper divisors (251025642275716).

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

212312021022332 is a wasteful number, since it uses less digits than its factorization.

212312021022332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165826826 (or 165826824 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 212312021022332 its reverse (233220120213212), we get a palindrome (445532141235544).

The spelling of 212312021022332 in words is "two hundred twelve trillion, three hundred twelve billion, twenty-one million, twenty-two thousand, three hundred thirty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 4157 8314 16628 29099 45727 58198 91454 116396 182908 320089 640178 1280356 165822647 331645294 663290588 1160758529 1824049117 2321517058 3648098234 4643034116 7296196468 12768343819 25536687638 51073375276 689324743579 1378649487158 2757298974316 4825273205053 7582572179369 9650546410106 15165144358738 19301092820212 30330288717476 53078005255583 106156010511166 212312021022332