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122312023321 = 4110212921861
BaseRepresentation
bin111000111101001011…
…1010101110100011001
3102200201010122120020211
41301322113111310121
54000443334221241
6132104523051121
711560002021115
oct1617227256431
9380633576224
10122312023321
1147965a484a4
121b856070aa1
13b6c31abcc7
145cc4424745
1532ace4e781
hex1c7a5d5d19

122312023321 has 8 divisors (see below), whose sum is σ = 125418004488. Its totient is φ = 119211888000.

The previous prime is 122312023303. The next prime is 122312023367. The reversal of 122312023321 is 123320213221.

It can be written as a sum of positive squares in 4 ways, for example, as 15360132096 + 106951891225 = 123936^2 + 327035^2 .

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 122312023321 - 29 = 122312022809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122312023292 and 122312023301.

It is not an unprimeable number, because it can be changed into a prime (122312023621) 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, 1419070 + ... + 1502791.

It is an arithmetic number, because the mean of its divisors is an integer number (15677250561).

Almost surely, 2122312023321 is an apocalyptic number.

It is an amenable number.

122312023321 is a deficient number, since it is larger than the sum of its proper divisors (3105981167).

122312023321 is a wasteful number, since it uses less digits than its factorization.

122312023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922923.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 122312023321 its reverse (123320213221), we get a palindrome (245632236542).

The spelling of 122312023321 in words is "one hundred twenty-two billion, three hundred twelve million, twenty-three thousand, three hundred twenty-one".

Divisors: 1 41 1021 41861 2921861 119796301 2983220081 122312023321