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1232220011 = 11541207061
BaseRepresentation
bin100100101110010…
…0010111101101011
310011212122021002012
41021130202331223
510010422020021
6322134430135
742351461111
oct11134427553
93155567065
101232220011
11582613150
122a480234b
13168395a89
14b9919ab1
15732a235b
hex49722f6b

1232220011 has 8 divisors (see below), whose sum is σ = 1346731248. Its totient is φ = 1118124000.

The previous prime is 1232220001. The next prime is 1232220029. The reversal of 1232220011 is 1100222321.

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-1232220011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232220001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97580 + ... + 109481.

It is an arithmetic number, because the mean of its divisors is an integer number (168341406).

Almost surely, 21232220011 is an apocalyptic number.

1232220011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1232220011 is a deficient number, since it is larger than the sum of its proper divisors (114511237).

1232220011 is a wasteful number, since it uses less digits than its factorization.

1232220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207613.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1232220011 is about 35102.9914822085. The cubic root of 1232220011 is about 1072.0854923998.

Adding to 1232220011 its reverse (1100222321), we get a palindrome (2332442332).

The spelling of 1232220011 in words is "one billion, two hundred thirty-two million, two hundred twenty thousand, eleven".

Divisors: 1 11 541 5951 207061 2277671 112020001 1232220011