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12201253351 = 71991738747
BaseRepresentation
bin10110101110100000…
…00101100111100111
31011111022210220001021
423113100011213213
5144442010101401
65334415112011
7611233641130
oct132720054747
934438726037
1012201253351
1151a1320261
122446212607
1311c5a6a451
1483a648c87
154b62762a1
hex2d74059e7

12201253351 has 8 divisors (see below), whose sum is σ = 14678199680. Its totient is φ = 9907784568.

The previous prime is 12201253303. The next prime is 12201253357. The reversal of 12201253351 is 15335210221.

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 12201253351 - 27 = 12201253223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201253357) 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, 45869241 + ... + 45869506.

It is an arithmetic number, because the mean of its divisors is an integer number (1834774960).

Almost surely, 212201253351 is an apocalyptic number.

12201253351 is a deficient number, since it is larger than the sum of its proper divisors (2476946329).

12201253351 is an equidigital number, since it uses as much as digits as its factorization.

12201253351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91738773.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 12201253351 its reverse (15335210221), we get a palindrome (27536463572).

The spelling of 12201253351 in words is "twelve billion, two hundred one million, two hundred fifty-three thousand, three hundred fifty-one".

Divisors: 1 7 19 133 91738747 642171229 1743036193 12201253351