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121252011041 = 7232925969589
BaseRepresentation
bin111000011101100101…
…1101101110000100001
3102120222021001100202202
41300323023231300201
53441311003323131
6131411415222545
711521511042240
oct1607313556041
9376867040682
10121252011041
1147471665597
121b5bb077a55
13b5846bc3c5
145c23734957
153249d66bcb
hex1c3b2edc21

121252011041 has 16 divisors (see below), whose sum is σ = 149584838400. Its totient is φ = 95983597248.

The previous prime is 121252011007. The next prime is 121252011047. The reversal of 121252011041 is 140110252121.

It is not a de Polignac number, because 121252011041 - 218 = 121251748897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121252011047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12980126 + ... + 12989463.

It is an arithmetic number, because the mean of its divisors is an integer number (9349052400).

Almost surely, 2121252011041 is an apocalyptic number.

It is an amenable number.

121252011041 is a deficient number, since it is larger than the sum of its proper divisors (28332827359).

121252011041 is a wasteful number, since it uses less digits than its factorization.

121252011041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25969648.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 121252011041 its reverse (140110252121), we get a palindrome (261362263162).

The spelling of 121252011041 in words is "one hundred twenty-one billion, two hundred fifty-two million, eleven thousand, forty-one".

Divisors: 1 7 23 29 161 203 667 4669 25969589 181787123 597300547 753118081 4181103829 5271826567 17321715863 121252011041