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12000221202 = 2341131372377
BaseRepresentation
bin10110010110100010…
…01101100000010010
31010222022112101210010
423023101031200102
5144034024034302
65302434215350
7603243124434
oct131321154022
933868471703
1012000221202
1150a88a2892
1223aaa24556
131193211408
1481ba78654
154a37b616c
hex2cb44d812

12000221202 has 32 divisors (see below), whose sum is σ = 24773563584. Its totient is φ = 3872710400.

The previous prime is 12000221183. The next prime is 12000221203. The reversal of 12000221202 is 20212200021.

It is not an unprimeable number, because it can be changed into a prime (12000221203) 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, 153963 + ... + 218414.

It is an arithmetic number, because the mean of its divisors is an integer number (774173862).

Almost surely, 212000221202 is an apocalyptic number.

12000221202 is an abundant number, since it is smaller than the sum of its proper divisors (12773342382).

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

12000221202 is a wasteful number, since it uses less digits than its factorization.

12000221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372554.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12000221202 its reverse (20212200021), we get a palindrome (32212421223).

The spelling of 12000221202 in words is "twelve billion, two hundred twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 41 82 123 131 246 262 393 786 5371 10742 16113 32226 372377 744754 1117131 2234262 15267457 30534914 45802371 48781387 91604742 97562774 146344161 292688322 2000036867 4000073734 6000110601 12000221202