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12020110202101 = 68317598990047
BaseRepresentation
bin1010111011101010011001…
…1001100001010011110101
31120120010000010222012220111
42232322212121201103311
53033414141202431401
641321543513303021
72350265351632231
oct256724631412365
946503003865814
1012020110202101
113914777933341
1214216b2704a71
13692650b70861
142d7ac278d5c1
1515ca0d6a8e51
hexaeea66614f5

12020110202101 has 4 divisors (see below), whose sum is σ = 12037709192832. Its totient is φ = 12002511211372.

The previous prime is 12020110202057. The next prime is 12020110202141. The reversal of 12020110202101 is 10120201102021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12020110202101 - 231 = 12017962718453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020110202141) 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, 8799494341 + ... + 8799495706.

It is an arithmetic number, because the mean of its divisors is an integer number (3009427298208).

Almost surely, 212020110202101 is an apocalyptic number.

It is an amenable number.

12020110202101 is a deficient number, since it is larger than the sum of its proper divisors (17598990731).

12020110202101 is an equidigital number, since it uses as much as digits as its factorization.

12020110202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17598990730.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12020110202101 its reverse (10120201102021), we get a palindrome (22140311304122).

The spelling of 12020110202101 in words is "twelve trillion, twenty billion, one hundred ten million, two hundred two thousand, one hundred one".

Divisors: 1 683 17598990047 12020110202101