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12120230053 = 173122998539
BaseRepresentation
bin10110100100110110…
…00000100010100101
31011021200100110222101
423102123000202211
5144310234330203
65322402332101
7606231153451
oct132233004245
934250313871
1012120230053
11515a610258
12242305a031
1311b203c379
1482d997661
154ae0be41d
hex2d26c08a5

12120230053 has 8 divisors (see below), whose sum is σ = 13247159040. Its totient is φ = 11039298240.

The previous prime is 12120230041. The next prime is 12120230069. The reversal of 12120230053 is 35003202121.

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 12120230053 - 25 = 12120230021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12120230053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120230653) 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, 11498743 + ... + 11499796.

It is an arithmetic number, because the mean of its divisors is an integer number (1655894880).

Almost surely, 212120230053 is an apocalyptic number.

It is an amenable number.

12120230053 is a deficient number, since it is larger than the sum of its proper divisors (1126928987).

12120230053 is a wasteful number, since it uses less digits than its factorization.

12120230053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22998587.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 12120230053 its reverse (35003202121), we get a palindrome (47123432174).

The spelling of 12120230053 in words is "twelve billion, one hundred twenty million, two hundred thirty thousand, fifty-three".

Divisors: 1 17 31 527 22998539 390975163 712954709 12120230053