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122102232121321 = 2380915787415669
BaseRepresentation
bin11011110000110100100100…
…001010111111111111101001
3121000022212012111101201222021
4123300310210022333333221
5112001010332410340241
61111404554023024441
734501411065322114
oct3360644412777751
9530285174351867
10122102232121321
11359a62a1919961
121184029259b121
135319263a6a80a
142221acb1bd57b
15e1b25c7d20d1
hex6f0d242bffe9

122102232121321 has 16 divisors (see below), whose sum is σ = 127576904342400. Its totient is φ = 116641402213248.

The previous prime is 122102232121313. The next prime is 122102232121333. The reversal of 122102232121321 is 123121232201221.

It is a cyclic number.

It is not a de Polignac number, because 122102232121321 - 23 = 122102232121313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122102232121391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293540875 + ... + 293956543.

It is an arithmetic number, because the mean of its divisors is an integer number (7973556521400).

Almost surely, 2122102232121321 is an apocalyptic number.

It is an amenable number.

122102232121321 is a deficient number, since it is larger than the sum of its proper divisors (5474672221079).

122102232121321 is a wasteful number, since it uses less digits than its factorization.

122102232121321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432288.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 122102232121321 its reverse (123121232201221), we get a palindrome (245223464322542).

The spelling of 122102232121321 in words is "one hundred twenty-two trillion, one hundred two billion, two hundred thirty-two million, one hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 23 809 15787 18607 363101 415669 9560387 12771683 293748709 336276221 6562166503 7734353083 150929829569 5308792700927 122102232121321