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120131220133211 = 724335662026683
BaseRepresentation
bin11011010100001000111010…
…101100111101010101011011
3120202100102200021121110200012
4123110020322230331111123
5111221212214323230321
61103255304243432135
734206123424002200
oct3324107254752533
9522312607543605
10120131220133211
1135306400a504a1
121158229a68564b
135205430024901
14219454c5c9ca7
15dd4d4e68005b
hex6d423ab3d55b

120131220133211 has 12 divisors (see below), whose sum is σ = 140067216108792. Its totient is φ = 102731812118208.

The previous prime is 120131220133153. The next prime is 120131220133217. The reversal of 120131220133211 is 112331022131021.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-120131220133211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120131220133217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2830992125 + ... + 2831034558.

It is an arithmetic number, because the mean of its divisors is an integer number (11672268009066).

Almost surely, 2120131220133211 is an apocalyptic number.

120131220133211 is a deficient number, since it is larger than the sum of its proper divisors (19935995975581).

120131220133211 is an equidigital number, since it uses as much as digits as its factorization.

120131220133211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5662027130 (or 5662027123 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 120131220133211 its reverse (112331022131021), we get a palindrome (232462242264232).

The spelling of 120131220133211 in words is "one hundred twenty trillion, one hundred thirty-one billion, two hundred twenty million, one hundred thirty-three thousand, two hundred eleven".

Divisors: 1 7 49 433 3031 21217 5662026683 39634186781 277439307467 2451657553739 17161602876173 120131220133211