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12020102111201 is a prime number
BaseRepresentation
bin1010111011101010010111…
…1010101001111111100001
31120120002222120202011021112
42232322211322221333201
53033414132120024301
641321543024033105
72350265223103502
oct256724572517741
946502876664245
1012020102111201
113914773307548
1214216aba62795
1369264c299c42
142d7ac1684ba9
1515ca0cb0b9bb
hexaeea5ea9fe1

12020102111201 has 2 divisors, whose sum is σ = 12020102111202. Its totient is φ = 12020102111200.

The previous prime is 12020102111179. The next prime is 12020102111203. The reversal of 12020102111201 is 10211120102021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11265427672801 + 754674438400 = 3356401^2 + 868720^2 .

It is an emirp because it is prime and its reverse (10211120102021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12020102111201 - 26 = 12020102111137 is a prime.

Together with 12020102111203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12020102111203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010051055600 + 6010051055601.

It is an arithmetic number, because the mean of its divisors is an integer number (6010051055601).

Almost surely, 212020102111201 is an apocalyptic number.

It is an amenable number.

12020102111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020102111201 is an equidigital number, since it uses as much as digits as its factorization.

12020102111201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12020102111201 its reverse (10211120102021), we get a palindrome (22231222213222).

The spelling of 12020102111201 in words is "twelve trillion, twenty billion, one hundred two million, one hundred eleven thousand, two hundred one".