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12002310202021 = 53226458683057
BaseRepresentation
bin1010111010101000000101…
…1011111010001010100101
31120111102001122010112012021
42232222001123322022211
53033121212402431041
641305441333423141
72346065302264246
oct256520133721245
946442048115167
1012002310202021
113908173233877
12141a16549aab1
13690a751c7529
142d6cb4744ccd
1515c31ab59cd1
hexaea816fa2a5

12002310202021 has 4 divisors (see below), whose sum is σ = 12228768885132. Its totient is φ = 11775851518912.

The previous prime is 12002310202019. The next prime is 12002310202027. The reversal of 12002310202021 is 12020201320021.

It is a happy number.

12002310202021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8689000139521 + 3313310062500 = 2947711^2 + 1820250^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002310202021 - 21 = 12002310202019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002310201986 and 12002310202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002310202027) 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, 113229341476 + ... + 113229341581.

It is an arithmetic number, because the mean of its divisors is an integer number (3057192221283).

Almost surely, 212002310202021 is an apocalyptic number.

It is an amenable number.

12002310202021 is a deficient number, since it is larger than the sum of its proper divisors (226458683111).

12002310202021 is an equidigital number, since it uses as much as digits as its factorization.

12002310202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226458683110.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12002310202021 its reverse (12020201320021), we get a palindrome (24022511522042).

The spelling of 12002310202021 in words is "twelve trillion, two billion, three hundred ten million, two hundred two thousand, twenty-one".

Divisors: 1 53 226458683057 12002310202021