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12031452412 = 2273457124297
BaseRepresentation
bin10110011010010000…
…10110010011111100
31011001111022002221121
423031020112103330
5144120022434122
65305511440324
7604102441510
oct131510262374
934044262847
1012031452412
115114494301
1223b93860a4
131199827915
14821c88140
154a63d4bc7
hex2cd2164fc

12031452412 has 24 divisors (see below), whose sum is σ = 24070059104. Its totient is φ = 5154803712.

The previous prime is 12031452397. The next prime is 12031452413. The reversal of 12031452412 is 21425413021.

12031452412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031452413) by changing a digit.

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, 34648 + ... + 158944.

Almost surely, 212031452412 is an apocalyptic number.

It is an amenable number.

12031452412 is an abundant number, since it is smaller than the sum of its proper divisors (12038606692).

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

12031452412 is a wasteful number, since it uses less digits than its factorization.

12031452412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127765 (or 127763 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 12031452412 its reverse (21425413021), we get a palindrome (33456865433).

The spelling of 12031452412 in words is "twelve billion, thirty-one million, four hundred fifty-two thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 3457 6914 13828 24199 48398 96796 124297 248594 497188 870079 1740158 3480316 429694729 859389458 1718778916 3007863103 6015726206 12031452412