Search a number
-
+
122020210122 = 2367303532861
BaseRepresentation
bin111000110100011111…
…0001010010111001010
3102122221210112220210120
41301220332022113022
53444344133210442
6132015540324110
711546526446556
oct1615076122712
9378853486716
10122020210122
1147826255968
121b7943a3636
13b6778b9685
145c97782866
15329250b4ec
hex1c68f8a5ca

122020210122 has 16 divisors (see below), whose sum is σ = 247682815392. Its totient is φ = 40066337520.

The previous prime is 122020210087. The next prime is 122020210127. The reversal of 122020210122 is 221012020221.

It is not an unprimeable number, because it can be changed into a prime (122020210127) 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, 151766029 + ... + 151766832.

It is an arithmetic number, because the mean of its divisors is an integer number (15480175962).

Almost surely, 2122020210122 is an apocalyptic number.

122020210122 is an abundant number, since it is smaller than the sum of its proper divisors (125662605270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122020210122 is a wasteful number, since it uses less digits than its factorization.

122020210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303532933.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122020210122 its reverse (221012020221), we get a palindrome (343032230343).

The spelling of 122020210122 in words is "one hundred twenty-two billion, twenty million, two hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 3 6 67 134 201 402 303532861 607065722 910598583 1821197166 20336701687 40673403374 61010105061 122020210122