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212123202320203 = 3157431191482491
BaseRepresentation
bin110000001110110011001000…
…000111110111011101001011
31000211001210001200121111100021
4300032303020013313131023
5210300411304243221303
62031052015344521311
762452252461635116
oct6016631007673513
91024053050544307
10212123202320203
1161652a4373a899
121b95aa93320237
139149194437745
143a54b63d7957d
15197cc28170ebd
hexc0ecc81f774b

212123202320203 has 8 divisors (see below), whose sum is σ = 219004013889536. Its totient is φ = 205244773727400.

The previous prime is 212123202320201. The next prime is 212123202320207. The reversal of 212123202320203 is 302023202321212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212123202320203 - 21 = 212123202320201 is a prime.

It is a super-2 number, since 2×2121232023202032 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212123202320201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595563213 + ... + 595919278.

It is an arithmetic number, because the mean of its divisors is an integer number (27375501736192).

Almost surely, 2212123202320203 is an apocalyptic number.

212123202320203 is a deficient number, since it is larger than the sum of its proper divisors (6880811569333).

212123202320203 is a wasteful number, since it uses less digits than its factorization.

212123202320203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191488265.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 212123202320203 its reverse (302023202321212), we get a palindrome (514146404641415).

The spelling of 212123202320203 in words is "two hundred twelve trillion, one hundred twenty-three billion, two hundred two million, three hundred twenty thousand, two hundred three".

Divisors: 1 31 5743 178033 1191482491 36935957221 6842683945813 212123202320203