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122142222241221 = 3713447407407477
BaseRepresentation
bin11011110001011001110011…
…110001001100110111000101
3121000110200102110212022112010
4123301121303301030313011
5112002134232343204341
61111435210130044433
734504325062613010
oct3361316361146705
9530420373768463
10122142222241221
1135a11253239926
1211847b93119719
13531cc67a70c60
142223a02338377
15e1c2ed4b6716
hex6f1673c4cdc5

122142222241221 has 16 divisors (see below), whose sum is σ = 200438518550144. Its totient is φ = 64426666676544.

The previous prime is 122142222241219. The next prime is 122142222241253.

122142222241221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122142222241221 - 21 = 122142222241219 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122142222241261) 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, 223703703466 + ... + 223703704011.

It is an arithmetic number, because the mean of its divisors is an integer number (12527407409384).

Almost surely, 2122142222241221 is an apocalyptic number.

It is an amenable number.

122142222241221 is a deficient number, since it is larger than the sum of its proper divisors (78296296308923).

122142222241221 is a wasteful number, since it uses less digits than its factorization.

122142222241221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447407407500.

The product of its digits is 8192, while the sum is 30.

The spelling of 122142222241221 in words is "one hundred twenty-two trillion, one hundred forty-two billion, two hundred twenty-two million, two hundred forty-one thousand, two hundred twenty-one".

Divisors: 1 3 7 13 21 39 91 273 447407407477 1342222222431 3131851852339 5816296297201 9395555557017 17448888891603 40714074080407 122142222241221