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12420355150201 = 32533818123317
BaseRepresentation
bin1011010010111101011011…
…0110110101000101111001
31121222101002220110020112011
42310233112312311011321
53111443341404301301
642225455443445521
72421224656564525
oct264572666650571
947871086406464
1012420355150201
113a59496758889
1214871939868a1
136c1308172cab
1430d2112b4d85
15168136839a51
hexb4bd6db5179

12420355150201 has 4 divisors (see below), whose sum is σ = 12424173276772. Its totient is φ = 12416537023632.

The previous prime is 12420355150129. The next prime is 12420355150243. The reversal of 12420355150201 is 10205155302421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7385626957801 + 5034728192400 = 2717651^2 + 2243820^2 .

It is a cyclic number.

It is not a de Polignac number, because 12420355150201 - 225 = 12420321595769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12420355100201) 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, 1909058406 + ... + 1909064911.

It is an arithmetic number, because the mean of its divisors is an integer number (3106043319193).

Almost surely, 212420355150201 is an apocalyptic number.

It is an amenable number.

12420355150201 is a deficient number, since it is larger than the sum of its proper divisors (3818126571).

12420355150201 is an equidigital number, since it uses as much as digits as its factorization.

12420355150201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818126570.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 12420355150201 in words is "twelve trillion, four hundred twenty billion, three hundred fifty-five million, one hundred fifty thousand, two hundred one".

Divisors: 1 3253 3818123317 12420355150201