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12220011011 = 131031911737
BaseRepresentation
bin10110110000101111…
…01001001000000011
31011112122002212201102
423120113221020003
5200011310323021
65340325125015
7611552244155
oct133027511003
934478085642
1012220011011
11520097215a
12245055976b
1311c9907260
1483cd2cad5
154b7c2e00b
hex2d85e9203

12220011011 has 8 divisors (see below), whose sum is σ = 13172790624. Its totient is φ = 11269056960.

The previous prime is 12220011007. The next prime is 12220011019. The reversal of 12220011011 is 11011002221.

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 12220011011 - 22 = 12220011007 is a prime.

It is a super-2 number, since 2×122200110112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220010983 and 12220011001.

It is not an unprimeable number, because it can be changed into a prime (12220011019) 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, 442466 + ... + 469271.

It is an arithmetic number, because the mean of its divisors is an integer number (1646598828).

Almost surely, 212220011011 is an apocalyptic number.

12220011011 is a deficient number, since it is larger than the sum of its proper divisors (952779613).

12220011011 is a wasteful number, since it uses less digits than its factorization.

12220011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912781.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12220011011 its reverse (11011002221), we get a palindrome (23231013232).

The spelling of 12220011011 in words is "twelve billion, two hundred twenty million, eleven thousand, eleven".

Divisors: 1 13 1031 13403 911737 11852581 940000847 12220011011