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121222332 = 223471143113
BaseRepresentation
bin1110011100110…
…11010010111100
322110002201210000
413032123102330
5222013103312
620010114300
73001241610
oct716332274
9273081700
10121222332
1162477150
123471b990
131c1643ba
1412157340
15a997adc
hex739b4bc

121222332 has 240 divisors, whose sum is σ = 407860992. Its totient is φ = 30481920.

The previous prime is 121222331. The next prime is 121222357. The reversal of 121222332 is 233222121.

It is a super-3 number, since 3×1212223323 (a number of 25 digits) contains 333 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222331) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1072708 + ... + 1072820.

Almost surely, 2121222332 is an apocalyptic number.

121222332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121222332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203930496).

121222332 is an abundant number, since it is smaller than the sum of its proper divisors (286638660).

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

121222332 is a wasteful number, since it uses less digits than its factorization.

121222332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 179 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 121222332 is about 11010.1013619312. The cubic root of 121222332 is about 494.9114993295.

Adding to 121222332 its reverse (233222121), we get a palindrome (354444453).

The spelling of 121222332 in words is "one hundred twenty-one million, two hundred twenty-two thousand, three hundred thirty-two".