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12203213231213 is a prime number
BaseRepresentation
bin1011000110010100100000…
…1100001001010001101101
31121012121121220121211212022
42301211020030021101231
53044414140041344323
641542025002515525
72366436666664364
oct261451014112155
947177556554768
1012203213231213
113985398806194
121451093505ba5
136a69b1630ab4
143028d27307db
151626785084c8
hexb194830946d

12203213231213 has 2 divisors, whose sum is σ = 12203213231214. Its totient is φ = 12203213231212.

The previous prime is 12203213231119. The next prime is 12203213231219. The reversal of 12203213231213 is 31213231230221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9562207967524 + 2641005263689 = 3092282^2 + 1625117^2 .

It is a cyclic number.

It is not a de Polignac number, because 12203213231213 - 224 = 12203196453997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12203213231219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101606615606 + 6101606615607.

It is an arithmetic number, because the mean of its divisors is an integer number (6101606615607).

Almost surely, 212203213231213 is an apocalyptic number.

It is an amenable number.

12203213231213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203213231213 is an equidigital number, since it uses as much as digits as its factorization.

12203213231213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12203213231213 its reverse (31213231230221), we get a palindrome (43416444461434).

The spelling of 12203213231213 in words is "twelve trillion, two hundred three billion, two hundred thirteen million, two hundred thirty-one thousand, two hundred thirteen".