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12210321941 is a prime number
BaseRepresentation
bin10110101111100101…
…01011101000010101
31011111221212121210222
423113302223220111
5200001320300231
65335341324125
7611404011146
oct132762535025
934457777728
1012210321941
1151a6454664
122449266645
1311c78c408c
1483b929acd
154b6e6827b
hex2d7caba15

12210321941 has 2 divisors, whose sum is σ = 12210321942. Its totient is φ = 12210321940.

The previous prime is 12210321919. The next prime is 12210321967. The reversal of 12210321941 is 14912301221.

It is an a-pointer prime, because the next prime (12210321967) can be obtained adding 12210321941 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11314576900 + 895745041 = 106370^2 + 29929^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210321941 - 214 = 12210305557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12210321941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210321241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105160970 + 6105160971.

It is an arithmetic number, because the mean of its divisors is an integer number (6105160971).

Almost surely, 212210321941 is an apocalyptic number.

It is an amenable number.

12210321941 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210321941 is an equidigital number, since it uses as much as digits as its factorization.

12210321941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 12210321941 in words is "twelve billion, two hundred ten million, three hundred twenty-one thousand, nine hundred forty-one".