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122012331222 = 2320335388537
BaseRepresentation
bin111000110100010000…
…0000110110011010110
3102122221020201121222110
41301220200012303112
53444340124044342
6132015055411450
711546402463165
oct1615040066326
9378836647873
10122012331222
1147821864381
121b791823b86
13b67608b3c2
145c966d13dc
1532919a1c9c
hex1c68806cd6

122012331222 has 8 divisors (see below), whose sum is σ = 244024662456. Its totient is φ = 40670777072.

The previous prime is 122012331193. The next prime is 122012331223. The reversal of 122012331222 is 222133210221.

It is a sphenic number, since it is the product of 3 distinct primes.

122012331222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012331223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10167694263 + ... + 10167694274.

It is an arithmetic number, because the mean of its divisors is an integer number (30503082807).

Almost surely, 2122012331222 is an apocalyptic number.

122012331222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122012331222 is a wasteful number, since it uses less digits than its factorization.

122012331222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20335388542.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 122012331222 its reverse (222133210221), we get a palindrome (344145541443).

The spelling of 122012331222 in words is "one hundred twenty-two billion, twelve million, three hundred thirty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 20335388537 40670777074 61006165611 122012331222