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12252051202121 = 109302299371831
BaseRepresentation
bin1011001001001010011100…
…1010001110000001001001
31121101021200111212211020122
42302102213022032001021
53101214200101431441
642020303054033025
72403116151616253
oct262224712160111
947337614784218
1012252051202121
1139a407a547615
12145a6431a8775
136ab495712433
143050069b6cd3
15163a85d6334b
hexb24a728e049

12252051202121 has 8 divisors (see below), whose sum is σ = 12364529496000. Its totient is φ = 12139574256720.

The previous prime is 12252051202087. The next prime is 12252051202189. The reversal of 12252051202121 is 12120215025221.

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 12252051202121 - 230 = 12250977460297 is a prime.

It is a super-2 number, since 2×122520512021212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12252051202621) 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, 32764676 + ... + 33136506.

It is an arithmetic number, because the mean of its divisors is an integer number (1545566187000).

Almost surely, 212252051202121 is an apocalyptic number.

It is an amenable number.

12252051202121 is a deficient number, since it is larger than the sum of its proper divisors (112478293879).

12252051202121 is a wasteful number, since it uses less digits than its factorization.

12252051202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674239.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 12252051202121 its reverse (12120215025221), we get a palindrome (24372266227342).

The spelling of 12252051202121 in words is "twelve trillion, two hundred fifty-two billion, fifty-one million, two hundred two thousand, one hundred twenty-one".

Divisors: 1 109 302299 371831 32950591 40529579 112404139469 12252051202121