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12202122212131 is a prime number
BaseRepresentation
bin1011000110010000011100…
…1010001111001100100011
31121012111210212200100001011
42301210013022033030203
53044404421241242011
641541324430321351
72366400651324625
oct261440712171443
947174725610034
1012202122212131
113984988975425
121450a2a059257
136a68695a5b87
1430282b88cc15
15162612848621
hexb190728f323

12202122212131 has 2 divisors, whose sum is σ = 12202122212132. Its totient is φ = 12202122212130.

The previous prime is 12202122212087. The next prime is 12202122212153. The reversal of 12202122212131 is 13121222120221.

It is an a-pointer prime, because the next prime (12202122212153) can be obtained adding 12202122212131 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12202122212131 - 27 = 12202122212003 is a prime.

It is a super-2 number, since 2×122021222121312 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12202122212831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101061106065 + 6101061106066.

It is an arithmetic number, because the mean of its divisors is an integer number (6101061106066).

Almost surely, 212202122212131 is an apocalyptic number.

12202122212131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202122212131 is an equidigital number, since it uses as much as digits as its factorization.

12202122212131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 12202122212131 its reverse (13121222120221), we get a palindrome (25323344332352).

It can be divided in two parts, 1220212 and 2212131, that added together give a palindrome (3432343).

The spelling of 12202122212131 in words is "twelve trillion, two hundred two billion, one hundred twenty-two million, two hundred twelve thousand, one hundred thirty-one".