Search a number
-
+
122012120001 = 3191212935637
BaseRepresentation
bin111000110100001111…
…1010011001111000001
3102122221020022220020110
41301220133103033001
53444340100320001
6132015051101533
711546400623322
oct1615037231701
9378836286213
10122012120001
114782172a712
121b7917418a9
13b676016215
145c96678449
15329195e3d6
hex1c687d33c1

122012120001 has 8 divisors (see below), whose sum is σ = 163534569984. Its totient is φ = 80915541680.

The previous prime is 122012119913. The next prime is 122012120017. The reversal of 122012120001 is 100021210221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122012120001 - 218 = 122011857857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122012120501) 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 7 ways as a sum of consecutive naturals, for example, 106467246 + ... + 106468391.

It is an arithmetic number, because the mean of its divisors is an integer number (20441821248).

Almost surely, 2122012120001 is an apocalyptic number.

It is an amenable number.

122012120001 is a deficient number, since it is larger than the sum of its proper divisors (41522449983).

122012120001 is a wasteful number, since it uses less digits than its factorization.

122012120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212935831.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122012120001 its reverse (100021210221), we get a palindrome (222033330222).

The spelling of 122012120001 in words is "one hundred twenty-two billion, twelve million, one hundred twenty thousand, one".

Divisors: 1 3 191 573 212935637 638806911 40670706667 122012120001