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12124332012 = 22313173449249
BaseRepresentation
bin10110100101010101…
…01001111111101100
31011021222001212210210
423102222221333230
5144312312111022
65323030302420
7606311056512
oct132252517754
934258055723
1012124332012
115161962101
1224244b7a10
1311b2b47470
148303444b2
154ae62ea0c
hex2d2aa9fec

12124332012 has 48 divisors (see below), whose sum is σ = 30642444000. Its totient is φ = 3708991488.

The previous prime is 12124331981. The next prime is 12124332037. The reversal of 12124332012 is 21023342121.

It is a self number, because there is not a number n which added to its sum of digits gives 12124332012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197637 + ... + 251612.

It is an arithmetic number, because the mean of its divisors is an integer number (638384250).

Almost surely, 212124332012 is an apocalyptic number.

12124332012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12124332012 is an abundant number, since it is smaller than the sum of its proper divisors (18518111988).

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

12124332012 is a wasteful number, since it uses less digits than its factorization.

12124332012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449442 (or 449440 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12124332012 its reverse (21023342121), we get a palindrome (33147674133).

The spelling of 12124332012 in words is "twelve billion, one hundred twenty-four million, three hundred thirty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 173 346 519 692 1038 2076 2249 4498 6747 8996 13494 26988 449249 898498 1347747 1796996 2695494 5390988 5840237 11680474 17520711 23360948 35041422 70082844 77720077 155440154 233160231 310880308 466320462 932640924 1010361001 2020722002 3031083003 4041444004 6062166006 12124332012