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12202210123 = 76391597357
BaseRepresentation
bin10110101110100111…
…01111001101001011
31011111101121111111021
423113103233031023
5144442231210443
65334451413311
7611245034425
oct132723571513
934441544437
1012202210123
1151a1914084
1224465b4237
1311c6013a9c
1483a817815
154b63b49ed
hex2d74ef34b

12202210123 has 4 divisors (see below), whose sum is σ = 12203815120. Its totient is φ = 12200605128.

The previous prime is 12202210109. The next prime is 12202210127. The reversal of 12202210123 is 32101220221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12202210123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12202210097 and 12202210106.

It is not an unprimeable number, because it can be changed into a prime (12202210127) 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, 791040 + ... + 806317.

It is an arithmetic number, because the mean of its divisors is an integer number (3050953780).

Almost surely, 212202210123 is an apocalyptic number.

12202210123 is a deficient number, since it is larger than the sum of its proper divisors (1604997).

12202210123 is an equidigital number, since it uses as much as digits as its factorization.

12202210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604996.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12202210123 its reverse (32101220221), we get a palindrome (44303430344).

The spelling of 12202210123 in words is "twelve billion, two hundred two million, two hundred ten thousand, one hundred twenty-three".

Divisors: 1 7639 1597357 12202210123