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12020120202 = 233076525581
BaseRepresentation
bin10110011000111010…
…00111101010001010
31011000200222101002010
423030131013222022
5144104122321302
65304424520350
7603604223136
oct131435075212
934020871063
1012020120202
115109054242
1223b56200b6
13119738a87c
148205783c6
154a53e716c
hex2cc747a8a

12020120202 has 16 divisors (see below), whose sum is σ = 24118551072. Its totient is φ = 3993654960.

The previous prime is 12020120171. The next prime is 12020120219. The reversal of 12020120202 is 20202102021.

12020120202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3260949 + ... + 3264632.

It is an arithmetic number, because the mean of its divisors is an integer number (1507409442).

Almost surely, 212020120202 is an apocalyptic number.

12020120202 is an abundant number, since it is smaller than the sum of its proper divisors (12098430870).

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

12020120202 is a wasteful number, since it uses less digits than its factorization.

12020120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525893.

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

Adding to 12020120202 its reverse (20202102021), we get a palindrome (32222222223).

The spelling of 12020120202 in words is "twelve billion, twenty million, one hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 307 614 921 1842 6525581 13051162 19576743 39153486 2003353367 4006706734 6010060101 12020120202