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12101332230121 = 19429622848949
BaseRepresentation
bin1011000000011000111110…
…0110111101111111101001
31120211212122122112202012111
42300012033212331333221
53041232012022330441
641423135243242321
72356202202525601
oct260061746757751
946755578482174
1012101332230121
113946167621132
12143539b8193a1
1369a1c6210374
142db9c994dc01
1515ebb40b5081
hexb018f9bdfe9

12101332230121 has 4 divisors (see below), whose sum is σ = 12101955098500. Its totient is φ = 12100709361744.

The previous prime is 12101332229969. The next prime is 12101332230131. The reversal of 12101332230121 is 12103223310121.

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 1765177960000 + 10336154270121 = 1328600^2 + 3214989^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101332230121 - 217 = 12101332099049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101332230092 and 12101332230101.

It is not an unprimeable number, because it can be changed into a prime (12101332230131) 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, 311405046 + ... + 311443903.

It is an arithmetic number, because the mean of its divisors is an integer number (3025488774625).

Almost surely, 212101332230121 is an apocalyptic number.

It is an amenable number.

12101332230121 is a deficient number, since it is larger than the sum of its proper divisors (622868379).

12101332230121 is an equidigital number, since it uses as much as digits as its factorization.

12101332230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622868378.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12101332230121 its reverse (12103223310121), we get a palindrome (24204555540242).

The spelling of 12101332230121 in words is "twelve trillion, one hundred one billion, three hundred thirty-two million, two hundred thirty thousand, one hundred twenty-one".

Divisors: 1 19429 622848949 12101332230121