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12000013224 = 233500000551
BaseRepresentation
bin10110010110100000…
…11010101110101000
31010222022010211111020
423023100122232220
5144034000410344
65302425532440
7603241300203
oct131320325650
933868124436
1012000013224
1150a8770601
1223aa944120
13119316a854
1481ba2293a
154a3774719
hex2cb41aba8

12000013224 has 16 divisors (see below), whose sum is σ = 30000033120. Its totient is φ = 4000004400.

The previous prime is 12000013177. The next prime is 12000013253. The reversal of 12000013224 is 42231000021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250000252 + ... + 250000299.

It is an arithmetic number, because the mean of its divisors is an integer number (1875002070).

Almost surely, 212000013224 is an apocalyptic number.

It is an amenable number.

12000013224 is an abundant number, since it is smaller than the sum of its proper divisors (18000019896).

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

12000013224 is a wasteful number, since it uses less digits than its factorization.

12000013224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500000560 (or 500000556 counting only the distinct ones).

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

Adding to 12000013224 its reverse (42231000021), we get a palindrome (54231013245).

The spelling of 12000013224 in words is "twelve billion, thirteen thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 500000551 1000001102 1500001653 2000002204 3000003306 4000004408 6000006612 12000013224