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2120122011222 = 232191616673069
BaseRepresentation
bin11110110110100001000…
…111101000111001010110
321111200101221121021101200
4132312201013220321112
5234214002213324342
64301545352333330
7306113412516225
oct36664107507126
97450357537350
102120122011222
11748158670826
122a2a886a4246
13124c07acac17
14748860b6cbc
153a238a3494c
hex1eda11e8e56

2120122011222 has 24 divisors (see below), whose sum is σ = 4617647948160. Its totient is φ = 703007297520.

The previous prime is 2120122011199. The next prime is 2120122011253. The reversal of 2120122011222 is 2221102210212.

It is a happy number.

2120122011222 is a `hidden beast` number, since 21 + 201 + 220 + 1 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2120122011195 and 2120122011204.

It is a congruent number.

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, 308333097 + ... + 308339972.

It is an arithmetic number, because the mean of its divisors is an integer number (192401997840).

Almost surely, 22120122011222 is an apocalyptic number.

2120122011222 is an abundant number, since it is smaller than the sum of its proper divisors (2497525936938).

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

2120122011222 is a wasteful number, since it uses less digits than its factorization.

2120122011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616673268 (or 616673265 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2120122011222 its reverse (2221102210212), we get a palindrome (4341224221434).

The spelling of 2120122011222 in words is "two trillion, one hundred twenty billion, one hundred twenty-two million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 191 382 573 1146 1719 3438 616673069 1233346138 1850019207 3700038414 5550057621 11100115242 117784556179 235569112358 353353668537 706707337074 1060061005611 2120122011222