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12102201022 = 267791143227
BaseRepresentation
bin10110100010101100…
…01110111010111110
31011020102102111210111
423101112032322332
5144241130413042
65320520100234
7605622003622
oct132126167276
934212374714
1012102201022
11515041682a
12241900467a
1311ab3990c2
1482b423182
154ac70c517
hex2d158eebe

12102201022 has 16 divisors (see below), whose sum is σ = 18657480960. Its totient is φ = 5885327448.

The previous prime is 12102200959. The next prime is 12102201037. The reversal of 12102201022 is 22010220121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12102200993 and 12102201011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561028 + ... + 582199.

It is an arithmetic number, because the mean of its divisors is an integer number (1166092560).

Almost surely, 212102201022 is an apocalyptic number.

12102201022 is a deficient number, since it is larger than the sum of its proper divisors (6555279938).

12102201022 is a wasteful number, since it uses less digits than its factorization.

12102201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143375.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12102201022 its reverse (22010220121), we get a palindrome (34112421143).

The spelling of 12102201022 in words is "twelve billion, one hundred two million, two hundred one thousand, twenty-two".

Divisors: 1 2 67 79 134 158 5293 10586 1143227 2286454 76596209 90314933 153192418 180629866 6051100511 12102201022