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12002123332013 = 99112111123443
BaseRepresentation
bin1010111010100111011001…
…0011000011100110101101
31120111101120121111112201212
42232221312103003212231
53033120322033111023
641305411020244205
72346060543023603
oct256516623034655
946441517445655
1012002123332013
1139080877a9651
12141a1129a0665
13690a45589669
142d6c979bd873
1515c309545e78
hexaea764c39ad

12002123332013 has 4 divisors (see below), whose sum is σ = 12014234456448. Its totient is φ = 11990012207580.

The previous prime is 12002123332007. The next prime is 12002123332021. The reversal of 12002123332013 is 31023332120021.

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 12002123332013 - 216 = 12002123266477 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 12002123332013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002123332513) 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, 6055560731 + ... + 6055562712.

It is an arithmetic number, because the mean of its divisors is an integer number (3003558614112).

Almost surely, 212002123332013 is an apocalyptic number.

It is an amenable number.

12002123332013 is a deficient number, since it is larger than the sum of its proper divisors (12111124435).

12002123332013 is an equidigital number, since it uses as much as digits as its factorization.

12002123332013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12111124434.

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

Adding to 12002123332013 its reverse (31023332120021), we get a palindrome (43025455452034).

The spelling of 12002123332013 in words is "twelve trillion, two billion, one hundred twenty-three million, three hundred thirty-two thousand, thirteen".

Divisors: 1 991 12111123443 12002123332013