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123003320223212 = 221113613433505547
BaseRepresentation
bin11011111101111011110001…
…001101010100010111101100
3121010112000001212122010101122
4123331323301031110113230
5112110241244434120322
61113334540100200112
734623460640652302
oct3375736115242754
9533460055563348
10123003320223212
1136213462637810
1211966a4b099038
135383217a9caa0
14225356ccc8272
15e348ea5e4442
hex6fdef13545ec

123003320223212 has 48 divisors (see below), whose sum is σ = 252892139738112. Its totient is φ = 51608928655680.

The previous prime is 123003320223187. The next prime is 123003320223263. The reversal of 123003320223212 is 212322023300321.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33335423 + ... + 36840969.

It is an arithmetic number, because the mean of its divisors is an integer number (5268586244544).

Almost surely, 2123003320223212 is an apocalyptic number.

It is an amenable number.

123003320223212 is an abundant number, since it is smaller than the sum of its proper divisors (129888819514900).

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

123003320223212 is a wasteful number, since it uses less digits than its factorization.

123003320223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566918 (or 3566916 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 123003320223212 its reverse (212322023300321), we get a palindrome (335325343523533).

The spelling of 123003320223212 in words is "one hundred twenty-three trillion, three billion, three hundred twenty million, two hundred twenty-three thousand, two hundred twelve".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 61343 122686 245372 674773 797459 1349546 1594918 2699092 3189836 3505547 7011094 8772049 14022188 17544098 35088196 38561017 45572111 77122034 91144222 154244068 182288444 501293221 1002586442 2005172884 215040769621 430081539242 860163078484 2365448465831 2795530005073 4730896931662 5591060010146 9461793863324 11182120020292 30750830055803 61501660111606 123003320223212