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12102314220 = 22335291375641
BaseRepresentation
bin10110100010101101…
…01010100011101100
31011020102122021002000
423101112222203230
5144241143023340
65320522332300
7605622654633
oct132126524354
934212567060
1012102314220
115150493887
12241905a090
1311ab408799
1482b45251a
154ac730d30
hex2d15aa8ec

12102314220 has 192 divisors, whose sum is σ = 39241238400. Its totient is φ = 3092705280.

The previous prime is 12102314197. The next prime is 12102314227. The reversal of 12102314220 is 2241320121.

It is a happy number.

12102314220 is a `hidden beast` number, since 1 + 2 + 10 + 231 + 422 + 0 = 666.

12102314220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121023142202 (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 12102314193 and 12102314202.

It is not an unprimeable number, because it can be changed into a prime (12102314227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2142600 + ... + 2148240.

It is an arithmetic number, because the mean of its divisors is an integer number (204381450).

Almost surely, 212102314220 is an apocalyptic number.

12102314220 is a gapful number since it is divisible by the number (10) 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 12102314220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19620619200).

12102314220 is an abundant number, since it is smaller than the sum of its proper divisors (27138924180).

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

12102314220 is a wasteful number, since it uses less digits than its factorization.

12102314220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5825 (or 5817 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12102314220 its reverse (2241320121), we get a palindrome (14343634341).

The spelling of 12102314220 in words is "twelve billion, one hundred two million, three hundred fourteen thousand, two hundred twenty".