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12100020022 = 2109307180797
BaseRepresentation
bin10110100010011011…
…11010011100110110
31011020021022201000201
423101031322130312
5144240101120042
65320401231114
7605564321206
oct132115723466
934207281021
1012100020022
11514a167152
12241833249a
1311aaab447c
1482b016406
154ac42b1b7
hex2d137a736

12100020022 has 16 divisors (see below), whose sum is σ = 18376308720. Its totient is φ = 5974946208.

The previous prime is 12100019947. The next prime is 12100020029. The reversal of 12100020022 is 22002000121.

It is a junction number, because it is equal to n+sod(n) for n = 12100019990 and 12100020008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100020029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23473 + ... + 157324.

It is an arithmetic number, because the mean of its divisors is an integer number (1148519295).

Almost surely, 212100020022 is an apocalyptic number.

12100020022 is a deficient number, since it is larger than the sum of its proper divisors (6276288698).

12100020022 is a wasteful number, since it uses less digits than its factorization.

12100020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181215.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12100020022 its reverse (22002000121), we get a palindrome (34102020143).

The spelling of 12100020022 in words is "twelve billion, one hundred million, twenty thousand, twenty-two".

Divisors: 1 2 109 218 307 614 33463 66926 180797 361594 19706873 39413746 55504679 111009358 6050010011 12100020022