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122212021004 = 22178321653441
BaseRepresentation
bin111000111010001100…
…1110111001100001100
3102200110011110220212022
41301310121313030030
54000242234133004
6132050551425312
711554346016143
oct1616431671414
9380404426768
10122212021004
1147914555257
121b828685238
13b6a8567438
145cb503275a
1532a42992be
hex1c7467730c

122212021004 has 24 divisors (see below), whose sum is σ = 229180030128. Its totient is φ = 56818626560.

The previous prime is 122212020979. The next prime is 122212021007. The reversal of 122212021004 is 400120212221.

122212021004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (122212021007) 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, 10821077 + ... + 10832364.

It is an arithmetic number, because the mean of its divisors is an integer number (9549167922).

Almost surely, 2122212021004 is an apocalyptic number.

It is an amenable number.

122212021004 is a deficient number, since it is larger than the sum of its proper divisors (106968009124).

122212021004 is a wasteful number, since it uses less digits than its factorization.

122212021004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21653545 (or 21653543 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122212021004 its reverse (400120212221), we get a palindrome (522332233225).

The spelling of 122212021004 in words is "one hundred twenty-two billion, two hundred twelve million, twenty-one thousand, four".

Divisors: 1 2 4 17 34 68 83 166 332 1411 2822 5644 21653441 43306882 86613764 368108497 736216994 1472433988 1797235603 3594471206 7188942412 30553005251 61106010502 122212021004