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122220010112 = 271177781077
BaseRepresentation
bin111000111010011100…
…0010101101010000000
3102200110201111210212012
41301310320111222000
54000301310310422
6132051434552052
711554503642044
oct1616470255200
9380421453765
10122220010112
1147919011622
121b82b298628
13b6aa103915
145cb6112024
1532a4d264e2
hex1c74e15a80

122220010112 has 32 divisors (see below), whose sum is σ = 243508854420. Its totient is φ = 61104062464.

The previous prime is 122220010111. The next prime is 122220010127. The reversal of 122220010112 is 211010022221.

It can be written as a sum of positive squares in 2 ways, for example, as 109127158336 + 13092851776 = 330344^2 + 114424^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (122220010111) 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, 1466918 + ... + 1547994.

Almost surely, 2122220010112 is an apocalyptic number.

It is an amenable number.

122220010112 is a deficient number, since it is larger than the sum of its proper divisors (121288844308).

122220010112 is an equidigital number, since it uses as much as digits as its factorization.

122220010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92868 (or 92856 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122220010112 its reverse (211010022221), we get a palindrome (333230032333).

The spelling of 122220010112 in words is "one hundred twenty-two billion, two hundred twenty million, ten thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 11777 23554 47108 81077 94216 162154 188432 324308 376864 648616 753728 1297232 1507456 2594464 5188928 10377856 954843829 1909687658 3819375316 7638750632 15277501264 30555002528 61110005056 122220010112