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1212210200230 = 25647238378623
BaseRepresentation
bin10001101000111101010…
…110111011111010100110
311021212221000100112211121
4101220331112323322212
5124330101302401410
62324514235324154
7153402461456311
oct21507526737246
94255830315747
101212210200230
11428106068267
12176b268b065a
138a407168563
1442958021978
15217ebb2c9da
hex11a3d5bbea6

1212210200230 has 32 divisors (see below), whose sum is σ = 2186295681024. Its totient is φ = 483925328736.

The previous prime is 1212210200219. The next prime is 1212210200231. The reversal of 1212210200230 is 320020122121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212210200231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15378699 + ... + 15457321.

It is an arithmetic number, because the mean of its divisors is an integer number (68321740032).

Almost surely, 21212210200230 is an apocalyptic number.

1212210200230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212210200230 is a deficient number, since it is larger than the sum of its proper divisors (974085480794).

1212210200230 is a wasteful number, since it uses less digits than its factorization.

1212210200230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81660.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1212210200230 its reverse (320020122121), we get a palindrome (1532230322351).

The spelling of 1212210200230 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred thousand, two hundred thirty".

Divisors: 1 2 5 10 647 1294 2383 3235 4766 6470 11915 23830 78623 157246 393115 786230 1541801 3083602 7709005 15418010 50869081 101738162 187358609 254345405 374717218 508690810 936793045 1873586090 121221020023 242442040046 606105100115 1212210200230