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12120030300203 = 72247347557147
BaseRepresentation
bin1011000001011110101000…
…0110011100100000101011
31120220122220202021010100122
42300113222012130200223
53042033310224101303
641435510503553455
72360433435513500
oct260275206344053
946818822233318
1012120030300203
113953092154a11
121438b3975b88b
1369bbb5c55767
142dc880d714a7
1516040a8ade38
hexb05ea19c82b

12120030300203 has 6 divisors (see below), whose sum is σ = 14098810757436. Its totient is φ = 10388597400132.

The previous prime is 12120030300181. The next prime is 12120030300247. The reversal of 12120030300203 is 30200303002121.

It is not a de Polignac number, because 12120030300203 - 28 = 12120030299947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120030300283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123673778525 + ... + 123673778622.

It is an arithmetic number, because the mean of its divisors is an integer number (2349801792906).

Almost surely, 212120030300203 is an apocalyptic number.

12120030300203 is a deficient number, since it is larger than the sum of its proper divisors (1978780457233).

12120030300203 is an equidigital number, since it uses as much as digits as its factorization.

12120030300203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247347557161 (or 247347557154 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12120030300203 its reverse (30200303002121), we get a palindrome (42320333302324).

The spelling of 12120030300203 in words is "twelve trillion, one hundred twenty billion, thirty million, three hundred thousand, two hundred three".

Divisors: 1 7 49 247347557147 1731432900029 12120030300203