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121320424301 = 347349626583
BaseRepresentation
bin111000011111101000…
…0101100001101101101
3102121011000210010010012
41300333100230031231
53441431012034201
6131422301423005
711523301406636
oct1607720541555
9377130703105
10121320424301
11474a724247a
121b619b6aa65
13b59592391b
145c2c86288d
153250d7c5bb
hex1c3f42c36d

121320424301 has 4 divisors (see below), whose sum is σ = 121670051232. Its totient is φ = 120970797372.

The previous prime is 121320424289. The next prime is 121320424321. The reversal of 121320424301 is 103424023121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121320424301 - 210 = 121320423277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320424321) 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, 174812945 + ... + 174813638.

It is an arithmetic number, because the mean of its divisors is an integer number (30417512808).

Almost surely, 2121320424301 is an apocalyptic number.

It is an amenable number.

121320424301 is a deficient number, since it is larger than the sum of its proper divisors (349626931).

121320424301 is an equidigital number, since it uses as much as digits as its factorization.

121320424301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349626930.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 121320424301 its reverse (103424023121), we get a palindrome (224744447422).

The spelling of 121320424301 in words is "one hundred twenty-one billion, three hundred twenty million, four hundred twenty-four thousand, three hundred one".

Divisors: 1 347 349626583 121320424301