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12310110221 = 40963147699
BaseRepresentation
bin10110111011011110…
…10110000000001101
31011202220122101121012
423131233112000031
5200202342011341
65353304215005
7614025132113
oct133557260015
934686571535
1012310110221
115247811012
12247676a465
1312124923b6
1484aca3ab3
154c0aca0eb
hex2ddbd600d

12310110221 has 8 divisors (see below), whose sum is σ = 12360024000. Its totient is φ = 12260293920.

The previous prime is 12310110191. The next prime is 12310110257. The reversal of 12310110221 is 12201101321.

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

It is a cyclic number.

It is not a de Polignac number, because 12310110221 - 26 = 12310110157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12310110196 and 12310110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310110121) 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, 234230 + ... + 281928.

It is an arithmetic number, because the mean of its divisors is an integer number (1545003000).

Almost surely, 212310110221 is an apocalyptic number.

It is an amenable number.

12310110221 is a deficient number, since it is larger than the sum of its proper divisors (49913779).

12310110221 is an equidigital number, since it uses as much as digits as its factorization.

12310110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48739.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12310110221 its reverse (12201101321), we get a palindrome (24511211542).

The spelling of 12310110221 in words is "twelve billion, three hundred ten million, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 409 631 47699 258079 19508891 30098069 12310110221