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12012221211203 = 313645110630463
BaseRepresentation
bin1010111011001101000000…
…1011011010001001000011
31120112100122100102221212102
42232303100023122021003
53033302012112224303
641314201021021015
72346566016415613
oct256632013321103
946470570387772
1012012221211203
113911399796754
1214200706b476b
136919946271c5
142d7574b40a43
1515c6eacda288
hexaecd02da243

12012221211203 has 8 divisors (see below), whose sum is σ = 12400053559296. Its totient is φ = 11624410197000.

The previous prime is 12012221211181. The next prime is 12012221211239. The reversal of 12012221211203 is 30211212221021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12012221211203 - 236 = 11943501734467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012221211293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4185251 + ... + 6445212.

It is an arithmetic number, because the mean of its divisors is an integer number (1550006694912).

Almost surely, 212012221211203 is an apocalyptic number.

12012221211203 is a deficient number, since it is larger than the sum of its proper divisors (387832348093).

12012221211203 is a wasteful number, since it uses less digits than its factorization.

12012221211203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10666945.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12012221211203 its reverse (30211212221021), we get a palindrome (42223433432224).

The spelling of 12012221211203 in words is "twelve trillion, twelve billion, two hundred twenty-one million, two hundred eleven thousand, two hundred three".

Divisors: 1 31 36451 1129981 10630463 329544353 387491006813 12012221211203