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12122102221102 = 219977326512477
BaseRepresentation
bin1011000001100110010110…
…0110001100100100101110
31120220212021010221121111201
42300121211212030210232
53042102031132033402
641440452240240114
72360535664532266
oct260314546144456
946825233847451
1012122102221102
113953a55754835
12143941761003a
1369c156291a63
142dc9da1cc7a6
151604cc72b687
hexb066598c92e

12122102221102 has 16 divisors (see below), whose sum is σ = 19159752209040. Its totient is φ = 5736171178368.

The previous prime is 12122102221093. The next prime is 12122102221123. The reversal of 12122102221102 is 20112220122121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12122102221102.

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, 163219113 + ... + 163293364.

It is an arithmetic number, because the mean of its divisors is an integer number (1197484513065).

Almost surely, 212122102221102 is an apocalyptic number.

12122102221102 is a deficient number, since it is larger than the sum of its proper divisors (7037649987938).

12122102221102 is a wasteful number, since it uses less digits than its factorization.

12122102221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326513475.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12122102221102 its reverse (20112220122121), we get a palindrome (32234322343223).

The spelling of 12122102221102 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, two hundred twenty-one thousand, one hundred two".

Divisors: 1 2 19 38 977 1954 18563 37126 326512477 653024954 6203737063 12407474126 319002690029 638005380058 6061051110551 12122102221102