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12112102102 = 2192503127343
BaseRepresentation
bin10110100011111000…
…00000001011010110
31011021010001112112011
423101330000023112
5144301144231402
65321512214434
7606102112012
oct132174001326
934233045464
1012112102102
115155a69641
12242039a41a
1311b0454929
1482c87d542
154ad515ed7
hex2d1f002d6

12112102102 has 16 divisors (see below), whose sum is σ = 19132162560. Its totient is φ = 5734974312.

The previous prime is 12112102069. The next prime is 12112102133. The reversal of 12112102102 is 20120121121.

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, 31443 + ... + 158785.

It is an arithmetic number, because the mean of its divisors is an integer number (1195760160).

Almost surely, 212112102102 is an apocalyptic number.

12112102102 is a deficient number, since it is larger than the sum of its proper divisors (7020060458).

12112102102 is a wasteful number, since it uses less digits than its factorization.

12112102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129867.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12112102102 its reverse (20120121121), we get a palindrome (32232223223).

The spelling of 12112102102 in words is "twelve billion, one hundred twelve million, one hundred two thousand, one hundred two".

Divisors: 1 2 19 38 2503 5006 47557 95114 127343 254686 2419517 4839034 318739529 637479058 6056051051 12112102102