Search a number
-
+
12331122021233 = 42656328908091
BaseRepresentation
bin1011001101110001000000…
…1001011101001101110001
31121122211210002120121200122
42303130100021131031301
53104013114214134413
642120501140100025
72411615461524551
oct263342011351561
947584702517618
1012331122021233
113a24665a00304
121471a2b994615
136b5a871a4672
14308b8819b161
15165b6298e108
hexb371025d371

12331122021233 has 4 divisors (see below), whose sum is σ = 12331151355888. Its totient is φ = 12331092686580.

The previous prime is 12331122021157. The next prime is 12331122021271. The reversal of 12331122021233 is 33212022113321.

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 a de Polignac number, because none of the positive numbers 2k-12331122021233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12331122021733) 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, 14027483 + ... + 14880608.

It is an arithmetic number, because the mean of its divisors is an integer number (3082787838972).

Almost surely, 212331122021233 is an apocalyptic number.

It is an amenable number.

12331122021233 is a deficient number, since it is larger than the sum of its proper divisors (29334655).

12331122021233 is an equidigital number, since it uses as much as digits as its factorization.

12331122021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29334654.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12331122021233 its reverse (33212022113321), we get a palindrome (45543144134554).

The spelling of 12331122021233 in words is "twelve trillion, three hundred thirty-one billion, one hundred twenty-two million, twenty-one thousand, two hundred thirty-three".

Divisors: 1 426563 28908091 12331122021233