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12311421202 = 224592503339
BaseRepresentation
bin10110111011101000…
…10110000100010010
31011210000002222221001
423131310112010102
5200203210434302
65353352252214
7614042232163
oct133564260422
934700088831
1012311421202
115248526a73
1224770a106a
131212831022
1484b12576a
154c0c88787
hex2ddd16112

12311421202 has 8 divisors (see below), whose sum is σ = 18474649200. Its totient is φ = 6153204804.

The previous prime is 12311421173. The next prime is 12311421211. The reversal of 12311421202 is 20212411321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12311421202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1246752 + ... + 1256587.

It is an arithmetic number, because the mean of its divisors is an integer number (2309331150).

Almost surely, 212311421202 is an apocalyptic number.

12311421202 is a deficient number, since it is larger than the sum of its proper divisors (6163227998).

12311421202 is a wasteful number, since it uses less digits than its factorization.

12311421202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505800.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12311421202 its reverse (20212411321), we get a palindrome (32523832523).

The spelling of 12311421202 in words is "twelve billion, three hundred eleven million, four hundred twenty-one thousand, two hundred two".

Divisors: 1 2 2459 4918 2503339 5006678 6155710601 12311421202