Search a number
-
+
12102010122101 = 25434758950107
BaseRepresentation
bin1011000000011011100000…
…0000111010111101110101
31120211221101220010020011212
42300012320000322331311
53041234404042401401
641423330421011205
72356225043521214
oct260067000727565
946757356106155
1012102010122101
113946485240439
12143554a853b05
1369a2a37ab993
142dba519b107b
1515ec0386bdbb
hexb01b803af75

12102010122101 has 4 divisors (see below), whose sum is σ = 12106769074752. Its totient is φ = 12097251169452.

The previous prime is 12102010122089. The next prime is 12102010122131. The reversal of 12102010122101 is 10122101020121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12102010122101 - 222 = 12102005927797 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 (12102010122131) 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, 2379472511 + ... + 2379477596.

It is an arithmetic number, because the mean of its divisors is an integer number (3026692268688).

Almost surely, 212102010122101 is an apocalyptic number.

It is an amenable number.

12102010122101 is a deficient number, since it is larger than the sum of its proper divisors (4758952651).

12102010122101 is an equidigital number, since it uses as much as digits as its factorization.

12102010122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758952650.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12102010122101 its reverse (10122101020121), we get a palindrome (22224111142222).

The spelling of 12102010122101 in words is "twelve trillion, one hundred two billion, ten million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 2543 4758950107 12102010122101