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12111202230103 = 2922711931542137
BaseRepresentation
bin1011000000111101101111…
…1010000001111101010111
31120212211010111200200211101
42300033123322001331113
53041412220232330403
641431450503450531
72360001611250004
oct260173372017527
946784114620741
1012111202230103
11394a371a14209
121437295156a47
1369b109cb2042
142dc2847128ab
1516009084471d
hexb03dbe81f57

12111202230103 has 16 divisors (see below), whose sum is σ = 12594579360480. Its totient is φ = 11632294836736.

The previous prime is 12111202230059. The next prime is 12111202230133. The reversal of 12111202230103 is 30103220211121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12111202230103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111202230133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7082451 + ... + 8624587.

It is an arithmetic number, because the mean of its divisors is an integer number (787161210030).

Almost surely, 212111202230103 is an apocalyptic number.

12111202230103 is a deficient number, since it is larger than the sum of its proper divisors (483377130377).

12111202230103 is a wasteful number, since it uses less digits than its factorization.

12111202230103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543586.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12111202230103 its reverse (30103220211121), we get a palindrome (42214422441224).

The spelling of 12111202230103 in words is "twelve trillion, one hundred eleven billion, two hundred two million, two hundred thirty thousand, one hundred three".

Divisors: 1 29 227 1193 6583 34597 270811 1542137 7853519 44721973 350065099 1839769441 10151887871 53353313789 417627663107 12111202230103