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12120302220023 = 17285948822773
BaseRepresentation
bin1011000001011111101001…
…0011101111001011110111
31120220200121200221002020002
42300113322103233023313
53042034334332020043
641435553500101515
72360443250011604
oct260277223571367
946820550832202
1012120302220023
11395321169a338
121438bb483489b
1369bc2a3a136a
142dc8a91156ab
151604246c2bb8
hexb05fa4ef2f7

12120302220023 has 12 divisors (see below), whose sum is σ = 12890188791480. Its totient is φ = 11394063238272.

The previous prime is 12120302220017. The next prime is 12120302220029. The reversal of 12120302220023 is 32002220302121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12120302220017) and next prime (12120302220029).

It is not a de Polignac number, because 12120302220023 - 26 = 12120302219959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120302219977 and 12120302220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120302220029) 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, 24163136 + ... + 24659637.

It is an arithmetic number, because the mean of its divisors is an integer number (1074182399290).

Almost surely, 212120302220023 is an apocalyptic number.

12120302220023 is a deficient number, since it is larger than the sum of its proper divisors (769886571457).

12120302220023 is an equidigital number, since it uses as much as digits as its factorization.

12120302220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48823666 (or 48823649 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12120302220023 its reverse (32002220302121), we get a palindrome (44122522522144).

The spelling of 12120302220023 in words is "twelve trillion, one hundred twenty billion, three hundred two million, two hundred twenty thousand, twenty-three".

Divisors: 1 17 289 859 14603 248251 48822773 829987141 14109781397 41938762007 712958954119 12120302220023