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12202020220001 = 118110331939221
BaseRepresentation
bin1011000110010000000100…
…0101001010110001100001
31121012111112202202121010212
42301210001011022301201
53044404214134020001
641541310344303505
72366365302364523
oct261440105126141
947174482677125
1012202020220001
113984936343207
1214509bba71b95
136a68514156c1
1430281c0dda13
151626088ed7bb
hexb190114ac61

12202020220001 has 4 divisors (see below), whose sum is σ = 12212352160404. Its totient is φ = 12191688279600.

The previous prime is 12202020219967. The next prime is 12202020220007. The reversal of 12202020220001 is 10002202020221.

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 10654844958976 + 1547175261025 = 3264176^2 + 1243855^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202020220001 - 214 = 12202020203617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12202020220007) 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, 5165968430 + ... + 5165970791.

It is an arithmetic number, because the mean of its divisors is an integer number (3053088040101).

Almost surely, 212202020220001 is an apocalyptic number.

It is an amenable number.

12202020220001 is a deficient number, since it is larger than the sum of its proper divisors (10331940403).

12202020220001 is a wasteful number, since it uses less digits than its factorization.

12202020220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10331940402.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12202020220001 its reverse (10002202020221), we get a palindrome (22204222240222).

The spelling of 12202020220001 in words is "twelve trillion, two hundred two billion, twenty million, two hundred twenty thousand, one".

Divisors: 1 1181 10331939221 12202020220001