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12201130302 = 232731744607
BaseRepresentation
bin10110101110011111…
…00111100100111110
31011111022120122020220
423113033213210332
5144441442132202
65334412322210
7611232616314
oct132717474476
934438518226
1012201130302
1151a1246869
122446173366
1311c5a2643a
1483a6160b4
154b624eabc
hex2d73e793e

12201130302 has 16 divisors (see below), whose sum is σ = 24411228672. Its totient is φ = 4065548760.

The previous prime is 12201130301. The next prime is 12201130309. The reversal of 12201130302 is 20303110221.

It is a super-2 number, since 2×122011303022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201130301) 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, 355918 + ... + 388689.

It is an arithmetic number, because the mean of its divisors is an integer number (1525701792).

Almost surely, 212201130302 is an apocalyptic number.

12201130302 is an abundant number, since it is smaller than the sum of its proper divisors (12210098370).

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

12201130302 is a wasteful number, since it uses less digits than its factorization.

12201130302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747343.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12201130302 its reverse (20303110221), we get a palindrome (32504240523).

The spelling of 12201130302 in words is "twelve billion, two hundred one million, one hundred thirty thousand, three hundred two".

Divisors: 1 2 3 6 2731 5462 8193 16386 744607 1489214 2233821 4467642 2033521717 4067043434 6100565151 12201130302