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12012025224 = 2332771806863
BaseRepresentation
bin10110010111111100…
…01111010110001000
31011000010202002212010
423023332033112020
5144100034301344
65303535215520
7603445346463
oct131376172610
934003662763
1012012025224
115104525381
1223b29775a0
1311957b5144
1481d46c2da
154a48488b9
hex2cbf8f588

12012025224 has 32 divisors (see below), whose sum is σ = 30138491520. Its totient is φ = 3989551296.

The previous prime is 12012025211. The next prime is 12012025229. The reversal of 12012025224 is 42252021021.

It is a super-3 number, since 3×120120252243 (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12012025224.

It is not an unprimeable number, because it can be changed into a prime (12012025229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 896784 + ... + 910079.

It is an arithmetic number, because the mean of its divisors is an integer number (941827860).

Almost surely, 212012025224 is an apocalyptic number.

It is an amenable number.

12012025224 is an abundant number, since it is smaller than the sum of its proper divisors (18126466296).

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

12012025224 is a wasteful number, since it uses less digits than its factorization.

12012025224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807149 (or 1807145 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 12012025224 its reverse (42252021021), we get a palindrome (54264046245).

The spelling of 12012025224 in words is "twelve billion, twelve million, twenty-five thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 277 554 831 1108 1662 2216 3324 6648 1806863 3613726 5420589 7227452 10841178 14454904 21682356 43364712 500501051 1001002102 1501503153 2002004204 3003006306 4004008408 6006012612 12012025224