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12122201102 = 2111231447611
BaseRepresentation
bin10110100101000101…
…00001110000001110
31011021211001121202012
423102202201300032
5144311240413402
65322512501222
7606254003114
oct132242416016
934254047665
1012122201102
115160737120
12242384a812
1311b257c57b
1482dd4bab4
154ae35d452
hex2d28a1c0e

12122201102 has 16 divisors (see below), whose sum is σ = 19852487424. Its totient is φ = 5505603000.

The previous prime is 12122201099. The next prime is 12122201107. The reversal of 12122201102 is 20110222121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122201107) 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, 196724 + ... + 250887.

It is an arithmetic number, because the mean of its divisors is an integer number (1240780464).

Almost surely, 212122201102 is an apocalyptic number.

12122201102 is a deficient number, since it is larger than the sum of its proper divisors (7730286322).

12122201102 is a wasteful number, since it uses less digits than its factorization.

12122201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448855.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12122201102 its reverse (20110222121), we get a palindrome (32232423223).

The spelling of 12122201102 in words is "twelve billion, one hundred twenty-two million, two hundred one thousand, one hundred two".

Divisors: 1 2 11 22 1231 2462 13541 27082 447611 895222 4923721 9847442 551009141 1102018282 6061100551 12122201102