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1212102222230 = 25349347307227
BaseRepresentation
bin10001101000110110111…
…011000010000110010110
311021212122111011200212102
4101220312323002012112
5124324341132102410
62324455421122102
7153400010615534
oct21506673020626
94255574150772
101212102222230
11428060117849
12176ab66b9332
138a3ba990653
1442947955154
15217e23ee2a5
hex11a36ec2196

1212102222230 has 16 divisors (see below), whose sum is σ = 2188035536400. Its totient is φ = 483451658592.

The previous prime is 1212102222211. The next prime is 1212102222241. The reversal of 1212102222230 is 322222012121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173650124 + ... + 173657103.

It is an arithmetic number, because the mean of its divisors is an integer number (136752221025).

Almost surely, 21212102222230 is an apocalyptic number.

1212102222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212102222230 is a deficient number, since it is larger than the sum of its proper divisors (975933314170).

1212102222230 is a wasteful number, since it uses less digits than its factorization.

1212102222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347307583.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1212102222230 its reverse (322222012121), we get a palindrome (1534324234351).

The spelling of 1212102222230 in words is "one trillion, two hundred twelve billion, one hundred two million, two hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 349 698 1745 3490 347307227 694614454 1736536135 3473072270 121210222223 242420444446 606051111115 1212102222230