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12403104222 = 2317402130241
BaseRepresentation
bin10111000110100100…
…00101100111011110
31012000101121222101110
423203102011213132
5200400143313342
65410425322450
7616234434465
oct134322054736
935011558343
1012403104222
115295257863
1224a1936426
131228822032
1485938d9dc
154c8d48c9c
hex2e34859de

12403104222 has 32 divisors (see below), whose sum is σ = 26272797984. Its totient is φ = 3890073600.

The previous prime is 12403104209. The next prime is 12403104227. The reversal of 12403104222 is 22240130421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403104227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395022 + ... + 425262.

It is an arithmetic number, because the mean of its divisors is an integer number (821024937).

Almost surely, 212403104222 is an apocalyptic number.

12403104222 is an abundant number, since it is smaller than the sum of its proper divisors (13869693762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12403104222 is a wasteful number, since it uses less digits than its factorization.

12403104222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34284.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12403104222 its reverse (22240130421), we get a palindrome (34643234643).

The spelling of 12403104222 in words is "twelve billion, four hundred three million, one hundred four thousand, two hundred twenty-two".

Divisors: 1 2 3 6 17 34 51 102 4021 8042 12063 24126 30241 60482 68357 90723 136714 181446 205071 410142 514097 1028194 1542291 3084582 121599061 243198122 364797183 729594366 2067184037 4134368074 6201552111 12403104222