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121112323001 = 171597058239
BaseRepresentation
bin111000011001011011…
…0110110001110111001
3102120121112012110210122
41300302312312032321
53441014223314001
6131345505223025
711515163521415
oct1606266661671
9376545173718
10121112323001
11473aa82692a
121b580331a75
13b561791067
145c0cd71d45
15323c972b1b
hex1c32db63b9

121112323001 has 4 divisors (see below), whose sum is σ = 121119398400. Its totient is φ = 121105247604.

The previous prime is 121112322973. The next prime is 121112323037. The reversal of 121112323001 is 100323211121.

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 a de Polignac number, because none of the positive numbers 2k-121112323001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121112326001) 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, 3511961 + ... + 3546278.

It is an arithmetic number, because the mean of its divisors is an integer number (30279849600).

Almost surely, 2121112323001 is an apocalyptic number.

It is an amenable number.

121112323001 is a deficient number, since it is larger than the sum of its proper divisors (7075399).

121112323001 is an equidigital number, since it uses as much as digits as its factorization.

121112323001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7075398.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121112323001 its reverse (100323211121), we get a palindrome (221435534122).

The spelling of 121112323001 in words is "one hundred twenty-one billion, one hundred twelve million, three hundred twenty-three thousand, one".

Divisors: 1 17159 7058239 121112323001