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12420302010 = 235414010067
BaseRepresentation
bin10111001000100111…
…01100010010111010
31012001120222201022120
423210103230102322
5200414044131020
65412242102110
7616533553014
oct134423542272
935046881276
1012420302010
1152a3a33806
1224a764a936
13122c263b3c
1485b7891b4
154ca5e4740
hex2e44ec4ba

12420302010 has 16 divisors (see below), whose sum is σ = 29808724896. Its totient is φ = 3312080528.

The previous prime is 12420302009. The next prime is 12420302057. The reversal of 12420302010 is 1020302421.

12420302010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×124203020102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207005004 + ... + 207005063.

It is an arithmetic number, because the mean of its divisors is an integer number (1863045306).

Almost surely, 212420302010 is an apocalyptic number.

12420302010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12420302010 is an abundant number, since it is smaller than the sum of its proper divisors (17388422886).

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

12420302010 is a wasteful number, since it uses less digits than its factorization.

12420302010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414010077.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12420302010 its reverse (1020302421), we get a palindrome (13440604431).

The spelling of 12420302010 in words is "twelve billion, four hundred twenty million, three hundred two thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 414010067 828020134 1242030201 2070050335 2484060402 4140100670 6210151005 12420302010