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1242123012324 = 223416519232079
BaseRepresentation
bin10010000100110100010…
…011010000100011100100
311101202010200120211220000
4102010310103100203210
5130322331442343244
62350342354541300
7155511652254105
oct22046423204344
94352120524800
101242123012324
11439866070777
12180894597830
139019345467c
1444194a523ac
152249cc83169
hex121344d08e4

1242123012324 has 60 divisors (see below), whose sum is σ = 3247365475200. Its totient is φ = 414014155632.

The previous prime is 1242123012323. The next prime is 1242123012373. The reversal of 1242123012324 is 4232103212421.

1242123012324 is a `hidden beast` number, since 1 + 2 + 421 + 2 + 3 + 0 + 1 + 232 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1242123012323) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5236117 + ... + 5468195.

It is an arithmetic number, because the mean of its divisors is an integer number (54122757920).

Almost surely, 21242123012324 is an apocalyptic number.

It is an amenable number.

1242123012324 is an abundant number, since it is smaller than the sum of its proper divisors (2005242462876).

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

1242123012324 is a wasteful number, since it uses less digits than its factorization.

1242123012324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248614 (or 248603 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1242123012324 its reverse (4232103212421), we get a palindrome (5474226224745).

The spelling of 1242123012324 in words is "one trillion, two hundred forty-two billion, one hundred twenty-three million, twelve thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 16519 33038 49557 66076 99114 148671 198228 232079 297342 446013 464158 594684 696237 892026 928316 1338039 1392474 1784052 2088711 2676078 2784948 4177422 5352156 6266133 8354844 12532266 18798399 25064532 37596798 75193596 3833713001 7667426002 11501139003 15334852004 23002278006 34503417009 46004556012 69006834018 103510251027 138013668036 207020502054 310530753081 414041004108 621061506162 1242123012324