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12412213430 = 251241221343
BaseRepresentation
bin10111000111101001…
…10101100010110110
31012001000202202212112
423203310311202312
5200410011312210
65411352451022
7616405034111
oct134364654266
935030682775
1012412213430
11529a409731
1224a49a9a72
13122a6912b6
1485a681578
154c9a47d05
hex2e3d358b6

12412213430 has 8 divisors (see below), whose sum is σ = 22341984192. Its totient is φ = 4964885368.

The previous prime is 12412213427. The next prime is 12412213453. The reversal of 12412213430 is 3431221421.

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

It is a junction number, because it is equal to n+sod(n) for n = 12412213396 and 12412213405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620610662 + ... + 620610681.

It is an arithmetic number, because the mean of its divisors is an integer number (2792748024).

Almost surely, 212412213430 is an apocalyptic number.

12412213430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12412213430 is a deficient number, since it is larger than the sum of its proper divisors (9929770762).

12412213430 is a wasteful number, since it uses less digits than its factorization.

12412213430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241221350.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12412213430 its reverse (3431221421), we get a palindrome (15843434851).

The spelling of 12412213430 in words is "twelve billion, four hundred twelve million, two hundred thirteen thousand, four hundred thirty".

Divisors: 1 2 5 10 1241221343 2482442686 6206106715 12412213430