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123222121301031 = 384678867547093
BaseRepresentation
bin11100000001000111100010…
…110001001100010000100111
3121011021220211111110112002120
4130001013202301030100213
5112122332401023113111
61114023243330441023
734645335015304254
oct3401074261142047
9534256744415076
10123222121301031
1136298232097a55
12119a1333133173
13539aa4728bb7c
14225dda7d6242b
15e3a45440d406
hex7011e2c4c427

123222121301031 has 16 divisors (see below), whose sum is σ = 164334397540224. Its totient is φ = 82128965222304.

The previous prime is 123222121301011. The next prime is 123222121301039. The reversal of 123222121301031 is 130103121222321.

It is not a de Polignac number, because 123222121301031 - 29 = 123222121300519 is a prime.

It is a super-2 number, since 2×1232221213010312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123222121300992 and 123222121301010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123222121301039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224957121 + ... + 225504213.

It is an arithmetic number, because the mean of its divisors is an integer number (10270899846264).

Almost surely, 2123222121301031 is an apocalyptic number.

123222121301031 is a deficient number, since it is larger than the sum of its proper divisors (41112276239193).

123222121301031 is an equidigital number, since it uses as much as digits as its factorization.

123222121301031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564430.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 123222121301031 its reverse (130103121222321), we get a palindrome (253325242523352).

The spelling of 123222121301031 in words is "one hundred twenty-three trillion, two hundred twenty-two billion, one hundred twenty-one million, three hundred one thousand, thirty-one".

Divisors: 1 3 8467 8867 25401 26601 547093 1641279 75076889 225230667 4632236431 4851073631 13896709293 14553220893 41074040433677 123222121301031