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1203212212203 = 31993733736679
BaseRepresentation
bin10001100000100101000…
…010010101011111101011
311021000200221001101201210
4101200211002111133223
5124203134311242303
62320425325244203
7152633502025131
oct21404502253753
94230627041653
101203212212203
11424308a20721
12175235403663
1389601c40ca1
1442342db1751
1521471bec203
hex118250957eb

1203212212203 has 32 divisors (see below), whose sum is σ = 1691275532800. Its totient is φ = 758773806336.

The previous prime is 1203212212141. The next prime is 1203212212211. The reversal of 1203212212203 is 3022122123021.

It is not a de Polignac number, because 1203212212203 - 213 = 1203212204011 is a prime.

It is a super-2 number, since 2×12032122122032 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1203212212203.

It is not an unprimeable number, because it can be changed into a prime (1203212212283) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 180145218 + ... + 180151896.

It is an arithmetic number, because the mean of its divisors is an integer number (52852360400).

Almost surely, 21203212212203 is an apocalyptic number.

1203212212203 is a deficient number, since it is larger than the sum of its proper divisors (488063320597).

1203212212203 is a wasteful number, since it uses less digits than its factorization.

1203212212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1203212212203 its reverse (3022122123021), we get a palindrome (4225334335224).

The spelling of 1203212212203 in words is "one trillion, two hundred three billion, two hundred twelve million, two hundred twelve thousand, two hundred three".

Divisors: 1 3 19 57 937 2811 3373 6679 10119 17803 20037 53409 64087 126901 192261 380703 3160501 6258223 9481503 18774669 22528267 60049519 67584801 118906237 180148557 356718711 428037073 1284111219 21108986179 63326958537 401070737401 1203212212203