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12112021024 = 251672266471
BaseRepresentation
bin10110100011110111…
…01100011000100000
31011021002220102022021
423101323230120200
5144301134133044
65321510351224
7606101323435
oct132173543040
934232812267
1012112021024
115155a13734
12242035b514
1311b0426a5c
1482c85bb8c
154ad4ebe84
hex2d1eec620

12112021024 has 24 divisors (see below), whose sum is σ = 23988339648. Its totient is φ = 6019744320.

The previous prime is 12112021021. The next prime is 12112021057. The reversal of 12112021024 is 42012021121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12112020989 and 12112021007.

It is not an unprimeable number, because it can be changed into a prime (12112021021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127892 + ... + 1138579.

It is an arithmetic number, because the mean of its divisors is an integer number (999514152).

Almost surely, 212112021024 is an apocalyptic number.

It is an amenable number.

12112021024 is a deficient number, since it is larger than the sum of its proper divisors (11876318624).

12112021024 is a wasteful number, since it uses less digits than its factorization.

12112021024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266648 (or 2266640 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12112021024 its reverse (42012021121), we get a palindrome (54124042145).

The spelling of 12112021024 in words is "twelve billion, one hundred twelve million, twenty-one thousand, twenty-four".

Divisors: 1 2 4 8 16 32 167 334 668 1336 2672 5344 2266471 4532942 9065884 18131768 36263536 72527072 378500657 757001314 1514002628 3028005256 6056010512 12112021024