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12220221333232 = 241188077883851
BaseRepresentation
bin1011000111010011110111…
…1100111001111011110000
31121021020112020100221122201
42301310331330321323300
53100204003130130412
641553520413312544
72400611322321553
oct261647574717360
947236466327581
1012220221333232
1139916263a8a50
12145443b495754
136a84921ccba3
1430366751c69a
15162d21780e57
hexb1d3df39ef0

12220221333232 has 40 divisors (see below), whose sum is σ = 25832040250752. Its totient is φ = 5554014648000.

The previous prime is 12220221333193. The next prime is 12220221333241. The reversal of 12220221333232 is 23233312202221.

It is a self number, because there is not a number n which added to its sum of digits gives 12220221333232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2391894 + ... + 5491957.

Almost surely, 212220221333232 is an apocalyptic number.

It is an amenable number.

12220221333232 is an abundant number, since it is smaller than the sum of its proper divisors (13611818917520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220221333232 is a wasteful number, since it uses less digits than its factorization.

12220221333232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892677 (or 7892671 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 12220221333232 its reverse (23233312202221), we get a palindrome (35453533535453).

The spelling of 12220221333232 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-one million, three hundred thirty-three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 16 22 44 88 176 8807 17614 35228 70456 96877 140912 193754 387508 775016 1550032 7883851 15767702 31535404 63070808 86722361 126141616 173444722 346889444 693778888 1387557776 69433075757 138866151514 277732303028 555464606056 763763833327 1110929212112 1527527666654 3055055333308 6110110666616 12220221333232