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12201213021031 is a prime number
BaseRepresentation
bin1011000110001101000011…
…1101111100101101100111
31121012102110111212122022201
42301203100331330231213
53044401041013133111
641541054311235331
72366336301325666
oct261432075745547
947172414778281
1012201213021031
113984561735721
121450815678b47
136a6753111b88
14302782c1cddd
151625acb036c1
hexb18d0f7cb67

12201213021031 has 2 divisors, whose sum is σ = 12201213021032. Its totient is φ = 12201213021030.

The previous prime is 12201213021013. The next prime is 12201213021037. The reversal of 12201213021031 is 13012031210221.

Together with previous prime (12201213021013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12201213021031 - 213 = 12201213012839 is a prime.

It is a super-2 number, since 2×122012130210312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201213021037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100606510515 + 6100606510516.

It is an arithmetic number, because the mean of its divisors is an integer number (6100606510516).

Almost surely, 212201213021031 is an apocalyptic number.

12201213021031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201213021031 is an equidigital number, since it uses as much as digits as its factorization.

12201213021031 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12201213021031 its reverse (13012031210221), we get a palindrome (25213244231252).

The spelling of 12201213021031 in words is "twelve trillion, two hundred one billion, two hundred thirteen million, twenty-one thousand, thirty-one".