Search a number
-
+
122002121212001 = 671391817157259
BaseRepresentation
bin11011101111010111010101…
…000110001100000001100001
3120222222021210121001121201222
4123233113111012030001201
5111442340321012241001
61111251000054504425
734461235203533612
oct3357272506140141
9528867717047658
10122002121212001
1135967899920a68
12118249b3665115
13530c99b297b74
14221ad1152bc09
15e1884d98a61b
hex6ef5d518c061

122002121212001 has 4 divisors (see below), whose sum is σ = 122003938436400. Its totient is φ = 122000303987604.

The previous prime is 122002121211959. The next prime is 122002121212091. The reversal of 122002121212001 is 100212121200221.

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 122002121212001 - 218 = 122002120949857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122002121212091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908511491 + ... + 908645768.

It is an arithmetic number, because the mean of its divisors is an integer number (30500984609100).

Almost surely, 2122002121212001 is an apocalyptic number.

It is an amenable number.

122002121212001 is a deficient number, since it is larger than the sum of its proper divisors (1817224399).

122002121212001 is an equidigital number, since it uses as much as digits as its factorization.

122002121212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817224398.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122002121212001 its reverse (100212121200221), we get a palindrome (222214242412222).

The spelling of 122002121212001 in words is "one hundred twenty-two trillion, two billion, one hundred twenty-one million, two hundred twelve thousand, one".

Divisors: 1 67139 1817157259 122002121212001