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121012222012012 = 22231797348325359
BaseRepresentation
bin11011100000111101011010…
…100000011010101001101100
3120212110122200211002000000001
4123200331122200122221230
5111330131012313341022
61105212125231314044
734326562446263242
oct3340753240325154
9525418624060001
10121012222012012
1135615aa45a8681
12116a4b9037b924
13526a532850486
1421c50467a6792
15decc13d93b27
hex6e0f5a81aa6c

121012222012012 has 24 divisors (see below), whose sum is σ = 222213358886400. Its totient is φ = 57552084203856.

The previous prime is 121012222011979. The next prime is 121012222012057. The reversal of 121012222012012 is 210210222210121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3674146212 + ... + 3674179147.

It is an arithmetic number, because the mean of its divisors is an integer number (9258889953600).

Almost surely, 2121012222012012 is an apocalyptic number.

It is an amenable number.

121012222012012 is a deficient number, since it is larger than the sum of its proper divisors (101201136874388).

121012222012012 is a wasteful number, since it uses less digits than its factorization.

121012222012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348325565 (or 7348325563 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121012222012012 its reverse (210210222210121), we get a palindrome (331222444222133).

The spelling of 121012222012012 in words is "one hundred twenty-one trillion, twelve billion, two hundred twenty-two million, twelve thousand, twelve".

Divisors: 1 2 4 23 46 92 179 358 716 4117 8234 16468 7348325359 14696650718 29393301436 169011483257 338022966514 676045933028 1315350239261 2630700478522 5261400957044 30253055503003 60506111006006 121012222012012