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12200321223311 = 13938486247947
BaseRepresentation
bin1011000110001001101111…
…0100000000101010001111
31121012100011100210121211112
42301202123310000222033
53044342224213121221
641540430013042235
72366305222221434
oct261423364005217
947170140717745
1012200321223311
1139841442a5911
121450606a8637b
136a664042aa10
143026da5d9b8b
1516255969715b
hexb189bd00a8f

12200321223311 has 4 divisors (see below), whose sum is σ = 13138807471272. Its totient is φ = 11261834975352.

The previous prime is 12200321223257. The next prime is 12200321223313. The reversal of 12200321223311 is 11332212300221.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2k-12200321223311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200321223313) 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, 469243123961 + ... + 469243123986.

It is an arithmetic number, because the mean of its divisors is an integer number (3284701867818).

Almost surely, 212200321223311 is an apocalyptic number.

12200321223311 is a deficient number, since it is larger than the sum of its proper divisors (938486247961).

12200321223311 is an equidigital number, since it uses as much as digits as its factorization.

12200321223311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938486247960.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12200321223311 its reverse (11332212300221), we get a palindrome (23532533523532).

The spelling of 12200321223311 in words is "twelve trillion, two hundred billion, three hundred twenty-one million, two hundred twenty-three thousand, three hundred eleven".

Divisors: 1 13 938486247947 12200321223311