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122112032232220 = 22589359191092661
BaseRepresentation
bin11011110000111101101100…
…010011011101001100011100
3121000100210111111000221210121
4123300331230103131030130
5112001140420222412340
61111413254305244324
734502205665021032
oct3360755423351434
9530323444027717
10122112032232220
11359aa470817268
12118421686336a4
13531a16620c2c4
14222237a98c552
15e1b632d5894a
hex6f0f6c4dd31c

122112032232220 has 48 divisors (see below), whose sum is σ = 260038894449600. Its totient is φ = 48161465285120.

The previous prime is 122112032232209. The next prime is 122112032232221. The reversal of 122112032232220 is 22232230211221.

It is a super-2 number, since 2×1221120322322202 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112032232221) 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, 94907311 + ... + 96185350.

It is an arithmetic number, because the mean of its divisors is an integer number (5417476967700).

Almost surely, 2122112032232220 is an apocalyptic number.

122112032232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122112032232220 is an abundant number, since it is smaller than the sum of its proper divisors (137926862217380).

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

122112032232220 is a wasteful number, since it uses less digits than its factorization.

122112032232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191093118 (or 191093116 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 122112032232220 its reverse (22232230211221), we get a palindrome (144344262443441).

The spelling of 122112032232220 in words is "one hundred twenty-two trillion, one hundred twelve billion, thirty-two million, two hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 89 178 356 359 445 718 890 1436 1780 1795 3590 7180 31951 63902 127804 159755 319510 639020 191092661 382185322 764370644 955463305 1910926610 3821853220 17007246829 34014493658 68028987316 68602265299 85036234145 137204530598 170072468290 274409061196 340144936580 343011326495 686022652990 1372045305980 6105601611611 12211203223222 24422406446444 30528008058055 61056016116110 122112032232220