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120222021222 = 23218140519109
BaseRepresentation
bin110111111110111001…
…0100111011001100110
3102111022110221110100200
41233331302213121212
53432203314134342
6131121303051330
711454133214412
oct1577562473146
9374273843320
10120222021222
1146a93218a36
121b372140b46
13b44c1b1a84
145b66a1bd42
1531d970e94c
hex1bfdca7666

120222021222 has 48 divisors (see below), whose sum is σ = 262013584560. Its totient is φ = 39838392000.

The previous prime is 120222021193. The next prime is 120222021253. The reversal of 120222021222 is 222120222021.

120222021222 is a `hidden beast` number, since 1 + 202 + 220 + 21 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120222021195 and 120222021204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13193604 + ... + 13202712.

It is an arithmetic number, because the mean of its divisors is an integer number (5458616345).

Almost surely, 2120222021222 is an apocalyptic number.

120222021222 is an abundant number, since it is smaller than the sum of its proper divisors (141791563338).

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

120222021222 is a wasteful number, since it uses less digits than its factorization.

120222021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13349 (or 13346 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 120222021222 its reverse (222120222021), we get a palindrome (342342243243).

The spelling of 120222021222 in words is "one hundred twenty billion, two hundred twenty-two million, twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 181 362 543 1086 1629 3258 4051 8102 9109 12153 18218 24306 27327 36459 54654 72918 81981 163962 733231 1466462 1648729 2199693 3297458 4399386 4946187 6599079 9892374 13198158 14838561 29677122 36900559 73801118 110701677 221403354 332105031 664210062 6679001179 13358002358 20037003537 40074007074 60111010611 120222021222