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12002220211 = 26952185639
BaseRepresentation
bin10110010110110001…
…10101100010110011
31010222110021221220111
423023120311202303
5144040032021321
65302545122151
7603266121442
oct131330654263
933873257814
1012002220211
1150a9a38763
1223ab629357
131193761267
1481c038d59
154a3a5d5e1
hex2cb6358b3

12002220211 has 8 divisors (see below), whose sum is σ = 12070101600. Its totient is φ = 11934511680.

The previous prime is 12002220119. The next prime is 12002220253. The reversal of 12002220211 is 11202220021.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12002220211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002220191 and 12002220200.

It is not an unprimeable number, because it can be changed into a prime (12002220611) 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, 97330 + ... + 182968.

It is an arithmetic number, because the mean of its divisors is an integer number (1508762700).

Almost surely, 212002220211 is an apocalyptic number.

12002220211 is a deficient number, since it is larger than the sum of its proper divisors (67881389).

12002220211 is an equidigital number, since it uses as much as digits as its factorization.

12002220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86429.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12002220211 its reverse (11202220021), we get a palindrome (23204440232).

The spelling of 12002220211 in words is "twelve billion, two million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 269 521 85639 140149 23036891 44617919 12002220211