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12123200220002 = 217356564712353
BaseRepresentation
bin1011000001101010011100…
…0010101110101101100010
31120220222002200000201211122
42300122213002232231202
53042111303224020002
641441153222212242
72360605126422254
oct260324702565542
946828080021748
1012123200220002
113954469522643
121439683284082
1369c29c8c1951
142dcaa1d69cd4
15160543d196a2
hexb06a70aeb62

12123200220002 has 8 divisors (see below), whose sum is σ = 19254494467116. Its totient is φ = 5705035397632.

The previous prime is 12123200219939. The next prime is 12123200220041. The reversal of 12123200220002 is 20002200232121.

It can be written as a sum of positive squares in 2 ways, for example, as 10404114742681 + 1719085477321 = 3225541^2 + 1311139^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178282356143 + ... + 178282356210.

Almost surely, 212123200220002 is an apocalyptic number.

12123200220002 is a deficient number, since it is larger than the sum of its proper divisors (7131294247114).

12123200220002 is a wasteful number, since it uses less digits than its factorization.

12123200220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356564712372.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12123200220002 its reverse (20002200232121), we get a palindrome (32125400452123).

The spelling of 12123200220002 in words is "twelve trillion, one hundred twenty-three billion, two hundred million, two hundred twenty thousand, two".

Divisors: 1 2 17 34 356564712353 713129424706 6061600110001 12123200220002