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12201213021013 is a prime number
BaseRepresentation
bin1011000110001101000011…
…1101111100101101010101
31121012102110111212122022001
42301203100331330231111
53044401041013133023
641541054311235301
72366336301325642
oct261432075745525
947172414778261
1012201213021013
113984561735705
121450815678b31
136a6753111b73
14302782c1cdc9
151625acb036ad
hexb18d0f7cb55

12201213021013 has 2 divisors, whose sum is σ = 12201213021014. Its totient is φ = 12201213021012.

The previous prime is 12201213020947. The next prime is 12201213021031. The reversal of 12201213021013 is 31012031210221.

Together with next prime (12201213021031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10698669057924 + 1502543963089 = 3270882^2 + 1225783^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201213021013 - 29 = 12201213020501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201213022013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100606510506 + 6100606510507.

It is an arithmetic number, because the mean of its divisors is an integer number (6100606510507).

Almost surely, 212201213021013 is an apocalyptic number.

It is an amenable number.

12201213021013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201213021013 is an equidigital number, since it uses as much as digits as its factorization.

12201213021013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12201213021013 its reverse (31012031210221), we get a palindrome (43213244231234).

The spelling of 12201213021013 in words is "twelve trillion, two hundred one billion, two hundred thirteen million, twenty-one thousand, thirteen".