Search a number
-
+
12012402212103 = 39832340724287
BaseRepresentation
bin1010111011001101101011…
…1101110111110100000111
31120112101002222000202102110
42232303122331313310013
53033302344431241403
641314231004312103
72346603345043206
oct256633275676407
946471088022373
1012012402212103
113911481982377
121420101242633
136919c2c8b827
142d7590bb923d
1515c70bb40103
hexaecdaf77d07

12012402212103 has 8 divisors (see below), whose sum is σ = 16016699573248. Its totient is φ = 8008186496184.

The previous prime is 12012402212099. The next prime is 12012402212117. The reversal of 12012402212103 is 30121220421021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12012402212103 - 22 = 12012402212099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12012402212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012402212203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20067175 + ... + 20657112.

It is an arithmetic number, because the mean of its divisors is an integer number (2002087446656).

Almost surely, 212012402212103 is an apocalyptic number.

12012402212103 is a deficient number, since it is larger than the sum of its proper divisors (4004297361145).

12012402212103 is an equidigital number, since it uses as much as digits as its factorization.

12012402212103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40822613.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12012402212103 its reverse (30121220421021), we get a palindrome (42133622633124).

The spelling of 12012402212103 in words is "twelve trillion, twelve billion, four hundred two million, two hundred twelve thousand, one hundred three".

Divisors: 1 3 98323 294969 40724287 122172861 4004134070701 12012402212103