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12100233032231 = 53228306283627
BaseRepresentation
bin1011000000010100111000…
…0101110111001000100111
31120211202211001012201011112
42300011032011313020213
53041222234124012411
641422434215455235
72356133024513201
oct260051605671047
946752731181145
1012100233032231
113945753104523
12143513368751b
1369a07c580806
142db92397d771
1515eb4c83bb8b
hexb014e177227

12100233032231 has 4 divisors (see below), whose sum is σ = 12328539315912. Its totient is φ = 11871926748552.

The previous prime is 12100233032207. The next prime is 12100233032233. The reversal of 12100233032231 is 13223033200121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12100233032231 - 210 = 12100233031207 is a prime.

It is a super-2 number, since 2×121002330322312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100233032197 and 12100233032206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100233032233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114153141761 + ... + 114153141866.

It is an arithmetic number, because the mean of its divisors is an integer number (3082134828978).

Almost surely, 212100233032231 is an apocalyptic number.

12100233032231 is a deficient number, since it is larger than the sum of its proper divisors (228306283681).

12100233032231 is an equidigital number, since it uses as much as digits as its factorization.

12100233032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228306283680.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12100233032231 its reverse (13223033200121), we get a palindrome (25323266232352).

The spelling of 12100233032231 in words is "twelve trillion, one hundred billion, two hundred thirty-three million, thirty-two thousand, two hundred thirty-one".

Divisors: 1 53 228306283627 12100233032231