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12351254212 = 2211280710323
BaseRepresentation
bin10111000000011000…
…10010111011000100
31011212210001201112201
423200030102323010
5200243410113322
65401334124244
7615034633333
oct134014227304
934783051481
1012351254212
115268a63110
1224884b0684
13121ab6985b
14852533d1a
154c4505d27
hex2e0312ec4

12351254212 has 12 divisors (see below), whose sum is σ = 23579667216. Its totient is φ = 5614206440.

The previous prime is 12351254191. The next prime is 12351254263. The reversal of 12351254212 is 21245215321.

It is a happy number.

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, 140355118 + ... + 140355205.

It is an arithmetic number, because the mean of its divisors is an integer number (1964972268).

Almost surely, 212351254212 is an apocalyptic number.

It is an amenable number.

12351254212 is a deficient number, since it is larger than the sum of its proper divisors (11228413004).

12351254212 is a wasteful number, since it uses less digits than its factorization.

12351254212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280710338 (or 280710336 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

Adding to 12351254212 its reverse (21245215321), we get a palindrome (33596469533).

The spelling of 12351254212 in words is "twelve billion, three hundred fifty-one million, two hundred fifty-four thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 280710323 561420646 1122841292 3087813553 6175627106 12351254212