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120131233323221 = 1176827102080623
BaseRepresentation
bin11011010100001000111011…
…011111010001100011010101
3120202100102201012102120222002
4123110020323133101203111
5111221212231212320341
61103255305434245045
734206123644056061
oct3324107337214325
9522312635376862
10120131233323221
113530640843a32a
12115822a2b86785
135205432992453
142194550260aa1
15dd4d508d829b
hex6d423b7d18d5

120131233323221 has 4 divisors (see below), whose sum is σ = 120131336580672. Its totient is φ = 120131130065772.

The previous prime is 120131233323151. The next prime is 120131233323223. The reversal of 120131233323221 is 122323332131021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120131233323221 - 214 = 120131233306837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120131233323223) 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, 49863485 + ... + 52217138.

It is an arithmetic number, because the mean of its divisors is an integer number (30032834145168).

Almost surely, 2120131233323221 is an apocalyptic number.

It is an amenable number.

120131233323221 is a deficient number, since it is larger than the sum of its proper divisors (103257451).

120131233323221 is a wasteful number, since it uses less digits than its factorization.

120131233323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103257450.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 120131233323221 its reverse (122323332131021), we get a palindrome (242454565454242).

The spelling of 120131233323221 in words is "one hundred twenty trillion, one hundred thirty-one billion, two hundred thirty-three million, three hundred twenty-three thousand, two hundred twenty-one".

Divisors: 1 1176827 102080623 120131233323221