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12123001102 = 26061500551
BaseRepresentation
bin10110100101001011…
…00101000100001110
31011021212120021010211
423102211211010032
5144311442013402
65322541553034
7606263544352
oct132245450416
934255507124
1012123001102
115161133183
122423b7577a
1311b279c744
148300b9462
154ae46a4d7
hex2d296510e

12123001102 has 4 divisors (see below), whose sum is σ = 18184501656. Its totient is φ = 6061500550.

The previous prime is 12123001097. The next prime is 12123001139. The reversal of 12123001102 is 20110032121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20110032121 = 67329881177.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030750274 + ... + 3030750277.

It is an arithmetic number, because the mean of its divisors is an integer number (4546125414).

Almost surely, 212123001102 is an apocalyptic number.

12123001102 is a deficient number, since it is larger than the sum of its proper divisors (6061500554).

12123001102 is an equidigital number, since it uses as much as digits as its factorization.

12123001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061500553.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12123001102 its reverse (20110032121), we get a palindrome (32233033223).

The spelling of 12123001102 in words is "twelve billion, one hundred twenty-three million, one thousand, one hundred two".

Divisors: 1 2 6061500551 12123001102