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12102021201 = 319492069783
BaseRepresentation
bin10110100010101011…
…00011000001010001
31011020102002101010110
423101111203001101
5144241104134301
65320512151533
7605620324434
oct132125430121
934212071113
1012102021201
115150303716
122418b385a9
1311ab3352ba
1482b3b781b
154ac6c40d6
hex2d1563051

12102021201 has 8 divisors (see below), whose sum is σ = 16144315200. Its totient is φ = 8063870672.

The previous prime is 12102021199. The next prime is 12102021221. The reversal of 12102021201 is 10212020121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12102021201 - 21 = 12102021199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12102021221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029045 + ... + 1040738.

It is an arithmetic number, because the mean of its divisors is an integer number (2018039400).

Almost surely, 212102021201 is an apocalyptic number.

It is an amenable number.

12102021201 is a deficient number, since it is larger than the sum of its proper divisors (4042293999).

12102021201 is a wasteful number, since it uses less digits than its factorization.

12102021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071735.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12102021201 its reverse (10212020121), we get a palindrome (22314041322).

The spelling of 12102021201 in words is "twelve billion, one hundred two million, twenty-one thousand, two hundred one".

Divisors: 1 3 1949 5847 2069783 6209349 4034007067 12102021201