Search a number
-
+
122001222001 = 4128871030703
BaseRepresentation
bin111000110011111010…
…1101110100101110001
3102122220110211012222211
41301213311232211301
53444324303101001
6132014021332121
711546206163611
oct1614765564561
9378813735884
10122001222001
11478165668aa
121b789b67041
13b67399b9b9
145c9503ca41
153290a0a351
hex1c67d6e971

122001222001 has 8 divisors (see below), whose sum is σ = 125020272384. Its totient is φ = 118984238880.

The previous prime is 122001221999. The next prime is 122001222047. The reversal of 122001222001 is 100222100221.

It is a happy number.

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 122001222001 - 21 = 122001221999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122001222061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396985 + ... + 633718.

It is an arithmetic number, because the mean of its divisors is an integer number (15627534048).

Almost surely, 2122001222001 is an apocalyptic number.

It is an amenable number.

122001222001 is a deficient number, since it is larger than the sum of its proper divisors (3019050383).

122001222001 is a wasteful number, since it uses less digits than its factorization.

122001222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033631.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122001222001 its reverse (100222100221), we get a palindrome (222223322222).

The spelling of 122001222001 in words is "one hundred twenty-two billion, one million, two hundred twenty-two thousand, one".

Divisors: 1 41 2887 118367 1030703 42258823 2975639561 122001222001