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12103540302122 = 28097480556429
BaseRepresentation
bin1011000000100001001100…
…1110000110000100101010
31120212002100112102102112222
42300020103032012010222
53041301022304131442
641424142322034042
72356311004034363
oct260102316060452
946762315372488
1012103540302122
11394709aa64325
1214358b71a8922
1369a488809b49
142dbb58cccb6a
1515ec92d788d2
hexb021338612a

12103540302122 has 8 divisors (see below), whose sum is σ = 18177752124900. Its totient is φ = 6044289593824.

The previous prime is 12103540302121. The next prime is 12103540302137. The reversal of 12103540302122 is 22120304530121.

It can be written as a sum of positive squares in 2 ways, for example, as 9902860028161 + 2200680273961 = 3146881^2 + 1483469^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12103540302091 and 12103540302100.

It is not an unprimeable number, because it can be changed into a prime (12103540302121) 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, 3740276597 + ... + 3740279832.

Almost surely, 212103540302122 is an apocalyptic number.

12103540302122 is a deficient number, since it is larger than the sum of its proper divisors (6074211822778).

12103540302122 is an equidigital number, since it uses as much as digits as its factorization.

12103540302122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7480557240.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 12103540302122 its reverse (22120304530121), we get a palindrome (34223844832243).

The spelling of 12103540302122 in words is "twelve trillion, one hundred three billion, five hundred forty million, three hundred two thousand, one hundred twenty-two".

Divisors: 1 2 809 1618 7480556429 14961112858 6051770151061 12103540302122