Search a number
-
+
122022120112 = 2419401388553
BaseRepresentation
bin111000110100100010…
…1011100101010110000
3102122221221010221210221
41301221011130222300
53444400130320422
6132020045302424
711546551623214
oct1615105345260
9378857127727
10122022120112
114782733a972
121b794b64a14
13b678107b49
145c97b1c944
1532927873c7
hex1c6915cab0

122022120112 has 20 divisors (see below), whose sum is σ = 248860903480. Its totient is φ = 57799951488.

The previous prime is 122022120061. The next prime is 122022120119. The reversal of 122022120112 is 211021220221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (122022120119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200693973 + ... + 200694580.

It is an arithmetic number, because the mean of its divisors is an integer number (12443045174).

Almost surely, 2122022120112 is an apocalyptic number.

It is an amenable number.

122022120112 is an abundant number, since it is smaller than the sum of its proper divisors (126838783368).

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

122022120112 is a wasteful number, since it uses less digits than its factorization.

122022120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401388580 (or 401388574 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122022120112 its reverse (211021220221), we get a palindrome (333043340333).

The spelling of 122022120112 in words is "one hundred twenty-two billion, twenty-two million, one hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 19 38 76 152 304 401388553 802777106 1605554212 3211108424 6422216848 7626382507 15252765014 30505530028 61011060056 122022120112