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1212230303330 = 25677462138749
BaseRepresentation
bin10001101000111110100…
…011100111111001100010
311021212222102011220002212
4101220332203213321202
5124330121424201310
62324520234242122
7153403124365034
oct21507643477142
94255872156085
101212230303330
11428116448aa2
12176b31586342
138a40b386897
144295a975c54
15217ed79e205
hex11a3e8e7e62

1212230303330 has 32 divisors (see below), whose sum is σ = 2185766910000. Its totient is φ = 484058615040.

The previous prime is 1212230303299. The next prime is 1212230303353. The reversal of 1212230303330 is 333030322121.

It can be written as a sum of positive squares in 8 ways, for example, as 865110192769 + 347120110561 = 930113^2 + 589169^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1212230303296 and 1212230303305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31264796 + ... + 31303544.

Almost surely, 21212230303330 is an apocalyptic number.

1212230303330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212230303330 is a deficient number, since it is larger than the sum of its proper divisors (973536606670).

1212230303330 is a wasteful number, since it uses less digits than its factorization.

1212230303330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44054.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1212230303330 its reverse (333030322121), we get a palindrome (1545260625451).

The spelling of 1212230303330 in words is "one trillion, two hundred twelve billion, two hundred thirty million, three hundred three thousand, three hundred thirty".

Divisors: 1 2 5 10 677 1354 3385 4621 6770 9242 23105 38749 46210 77498 193745 387490 3128417 6256834 15642085 26233073 31284170 52466146 131165365 179059129 262330730 358118258 895295645 1790591290 121223030333 242446060666 606115151665 1212230303330