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122220021201 = 347866808661
BaseRepresentation
bin111000111010011100…
…0011000010111010001
3102200110201112101001220
41301310320120113101
54000301311134301
6132051435115253
711554504016265
oct1616470302721
9380421471056
10122220021201
1147919019993
121b82b2a2b29
13b6aa108995
145cb61160a5
1532a4d29936
hex1c74e185d1

122220021201 has 8 divisors (see below), whose sum is σ = 166427263104. Its totient is φ = 79746396720.

The previous prime is 122220021071. The next prime is 122220021211. The reversal of 122220021201 is 102120022221.

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

It is not a de Polignac number, because 122220021201 - 213 = 122220013009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122220021211) 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, 433404190 + ... + 433404471.

It is an arithmetic number, because the mean of its divisors is an integer number (20803407888).

Almost surely, 2122220021201 is an apocalyptic number.

It is an amenable number.

122220021201 is a deficient number, since it is larger than the sum of its proper divisors (44207241903).

122220021201 is an equidigital number, since it uses as much as digits as its factorization.

122220021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866808711.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122220021201 its reverse (102120022221), we get a palindrome (224340043422).

The spelling of 122220021201 in words is "one hundred twenty-two billion, two hundred twenty million, twenty-one thousand, two hundred one".

Divisors: 1 3 47 141 866808661 2600425983 40740007067 122220021201