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122312112112216 = 231317211327872317
BaseRepresentation
bin11011110011111000000001…
…111111101000001001011000
3121001001220221101121222001101
4123303320001333220021120
5112012430201200042331
61112045224131401144
734522521105651235
oct3363700177501130
9531056841558041
10122312112112216
1135a77303687494
1211874aa6a531b4
135332ca0c49040
14222bd1b50478c
15e2194330b061
hex6f3e01fe8258

122312112112216 has 64 divisors (see below), whose sum is σ = 262743760752480. Its totient is φ = 52879247124480.

The previous prime is 122312112112213. The next prime is 122312112112217. The reversal of 122312112112216 is 612211211213221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122312112112213) 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, 163563111 + ... + 164309206.

Almost surely, 2122312112112216 is an apocalyptic number.

It is an amenable number.

122312112112216 is an abundant number, since it is smaller than the sum of its proper divisors (140431648640264).

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

122312112112216 is a wasteful number, since it uses less digits than its factorization.

122312112112216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327872564 (or 327872560 counting only the distinct ones).

The product of its digits is 1152, while the sum is 28.

Adding to 122312112112216 its reverse (612211211213221), we get a palindrome (734523323325437).

The spelling of 122312112112216 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred twelve million, one hundred twelve thousand, two hundred sixteen".

Divisors: 1 2 4 8 13 17 26 34 52 68 104 136 211 221 422 442 844 884 1688 1768 2743 3587 5486 7174 10972 14348 21944 28696 46631 93262 186524 373048 327872317 655744634 1311489268 2622978536 4262340121 5573829389 8524680242 11147658778 17049360484 22295317556 34098720968 44590635112 69181058887 72459782057 138362117774 144919564114 276724235548 289839128228 553448471096 579678256456 899353765531 1176078001079 1798707531062 2352156002158 3597415062124 4704312004316 7194830124248 9408624008632 15289014014027 30578028028054 61156056056108 122312112112216