Search a number
-
+
12211011203023 = 15275837993681
BaseRepresentation
bin1011000110110001100011…
…1111000010111111001111
31121020100202100212212012001
42301230120333002333033
53100031122331444043
641545354444253131
72400134145442153
oct261543077027717
947210670785161
1012211011203023
11398872a535896
1214526aab411a7
136a76550596b9
14303032249063
15162982de874d
hexb1b18fc2fcf

12211011203023 has 4 divisors (see below), whose sum is σ = 12211020724288. Its totient is φ = 12211001681760.

The previous prime is 12211011202981. The next prime is 12211011203057. The reversal of 12211011203023 is 32030211011221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12211011203023 - 213 = 12211011194831 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 (12211011233023) 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, 2469258 + ... + 5524423.

It is an arithmetic number, because the mean of its divisors is an integer number (3052755181072).

Almost surely, 212211011203023 is an apocalyptic number.

12211011203023 is a deficient number, since it is larger than the sum of its proper divisors (9521265).

12211011203023 is an equidigital number, since it uses as much as digits as its factorization.

12211011203023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9521264.

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

Adding to 12211011203023 its reverse (32030211011221), we get a palindrome (44241222214244).

The spelling of 12211011203023 in words is "twelve trillion, two hundred eleven billion, eleven million, two hundred three thousand, twenty-three".

Divisors: 1 1527583 7993681 12211011203023