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122221202122 = 2716191390489
BaseRepresentation
bin111000111010011110…
…0111000101011001010
3102200110210202100222201
41301310330320223022
54000302111431442
6132051520310414
711554520035225
oct1616474705312
9380423670881
10122221202122
1147919756158
121b82b77240a
13b6aa430356
145cb63425bc
1532a4eae7b7
hex1c74f38aca

122221202122 has 16 divisors (see below), whose sum is σ = 186214420800. Its totient is φ = 60152510880.

The previous prime is 122221202083. The next prime is 122221202161. The reversal of 122221202122 is 221202122221.

It is an interprime number because it is at equal distance from previous prime (122221202083) and next prime (122221202161).

It is a self number, because there is not a number n which added to its sum of digits gives 122221202122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607347 + ... + 783142.

It is an arithmetic number, because the mean of its divisors is an integer number (11638401300).

Almost surely, 2122221202122 is an apocalyptic number.

122221202122 is a deficient number, since it is larger than the sum of its proper divisors (63993218678).

122221202122 is a wasteful number, since it uses less digits than its factorization.

122221202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391181.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122221202122 its reverse (221202122221), we get a palindrome (343423324343).

The spelling of 122221202122 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred two thousand, one hundred twenty-two".

Divisors: 1 2 71 142 619 1238 43949 87898 1390489 2780978 98724719 197449438 860712691 1721425382 61110601061 122221202122