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12000222212 = 2211272732323
BaseRepresentation
bin10110010110100010…
…01101110000000100
31010222022112110011112
423023101031300010
5144034024102322
65302434224152
7603243130406
oct131321156004
933868473145
1012000222212
1150a88a3620
1223aaa25058
131193211a04
1481ba78b76
154a37b65e2
hex2cb44dc04

12000222212 has 12 divisors (see below), whose sum is σ = 22909515216. Its totient is φ = 5454646440.

The previous prime is 12000222167. The next prime is 12000222251. The reversal of 12000222212 is 21222200021.

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, 136366118 + ... + 136366205.

It is an arithmetic number, because the mean of its divisors is an integer number (1909126268).

Almost surely, 212000222212 is an apocalyptic number.

It is an amenable number.

12000222212 is a deficient number, since it is larger than the sum of its proper divisors (10909293004).

12000222212 is a wasteful number, since it uses less digits than its factorization.

12000222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272732338 (or 272732336 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12000222212 its reverse (21222200021), we get a palindrome (33222422233).

The spelling of 12000222212 in words is "twelve billion, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 272732323 545464646 1090929292 3000055553 6000111106 12000222212