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13212321203 is a prime number
BaseRepresentation
bin11000100111000010…
…00000010110110011
31021002210022110101202
430103201000112303
5204024323234303
610023013521415
7645261606614
oct142341002663
937083273352
1013212321203
115670013524
12268894326b
131327381253
148d4a37c0b
15524de1c88
hex3138405b3

13212321203 has 2 divisors, whose sum is σ = 13212321204. Its totient is φ = 13212321202.

The previous prime is 13212321197. The next prime is 13212321211. The reversal of 13212321203 is 30212321231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13212321203 - 230 = 12138579379 is a prime.

It is not a weakly prime, because it can be changed into another prime (13212321233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606160601 + 6606160602.

It is an arithmetic number, because the mean of its divisors is an integer number (6606160602).

Almost surely, 213212321203 is an apocalyptic number.

13212321203 is a deficient number, since it is larger than the sum of its proper divisors (1).

13212321203 is an equidigital number, since it uses as much as digits as its factorization.

13212321203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13212321203 its reverse (30212321231), we get a palindrome (43424642434).

The spelling of 13212321203 in words is "thirteen billion, two hundred twelve million, three hundred twenty-one thousand, two hundred three".