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122322021001 = 136138985677
BaseRepresentation
bin111000111101011110…
…1011110101010001001
3102200201211110111111021
41301322331132222021
54001003414133001
6132105521232441
711560153010635
oct1617275365211
9380654414437
10122322021001
1147970656944
121b859492721
13b6c529c7ab
145cc58a7dc5
1532adc76ba1
hex1c7af5ea89

122322021001 has 4 divisors (see below), whose sum is σ = 122331020292. Its totient is φ = 122313021712.

The previous prime is 122322020999. The next prime is 122322021047. The reversal of 122322021001 is 100120223221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25824811401 + 96497209600 = 160701^2 + 310640^2 .

It is a cyclic number.

It is not a de Polignac number, because 122322021001 - 21 = 122322020999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122322051001) 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, 4479226 + ... + 4506451.

It is an arithmetic number, because the mean of its divisors is an integer number (30582755073).

Almost surely, 2122322021001 is an apocalyptic number.

It is an amenable number.

122322021001 is a deficient number, since it is larger than the sum of its proper divisors (8999291).

122322021001 is an equidigital number, since it uses as much as digits as its factorization.

122322021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8999290.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 122322021001 its reverse (100120223221), we get a palindrome (222442244222).

The spelling of 122322021001 in words is "one hundred twenty-two billion, three hundred twenty-two million, twenty-one thousand, one".

Divisors: 1 13613 8985677 122322021001