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12202000112021 = 31338984025917
BaseRepresentation
bin1011000110001111111111…
…1000011101100110010101
31121012111111100221000011212
42301203333320131212111
53044404144012041041
641541304345311205
72366364636435626
oct261437770354625
947174440830155
1012202000112021
113984925a59845
1214509b5195505
136a684a1c50a5
14302819587a4d
15162606c7a8eb
hexb18ffe1d995

12202000112021 has 4 divisors (see below), whose sum is σ = 12240984138252. Its totient is φ = 12163016085792.

The previous prime is 12202000111999. The next prime is 12202000112033. The reversal of 12202000112021 is 12021100020221.

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 2046656416996 + 10155343695025 = 1430614^2 + 3186745^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202000112021 - 26 = 12202000111957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12202000111987 and 12202000112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202000112051) 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, 19492012646 + ... + 19492013271.

It is an arithmetic number, because the mean of its divisors is an integer number (3060246034563).

Almost surely, 212202000112021 is an apocalyptic number.

It is an amenable number.

12202000112021 is a deficient number, since it is larger than the sum of its proper divisors (38984026231).

12202000112021 is an equidigital number, since it uses as much as digits as its factorization.

12202000112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38984026230.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12202000112021 its reverse (12021100020221), we get a palindrome (24223100132242).

The spelling of 12202000112021 in words is "twelve trillion, two hundred two billion, one hundred twelve thousand, twenty-one".

Divisors: 1 313 38984025917 12202000112021