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12021201097 is a prime number
BaseRepresentation
bin10110011001000010…
…01111100011001001
31011000210000021210021
423030201033203021
5144104411413342
65304504020441
7603616344343
oct131441174311
934023007707
1012021201097
115109722344
1223b5a61721
131197678859
1482077a293
154a555c567
hex2cc84f8c9

12021201097 has 2 divisors, whose sum is σ = 12021201098. Its totient is φ = 12021201096.

The previous prime is 12021201043. The next prime is 12021201151. The reversal of 12021201097 is 79010212021.

It is a balanced prime because it is at equal distance from previous prime (12021201043) and next prime (12021201151).

It can be written as a sum of positive squares in only one way, i.e., 10212315136 + 1808885961 = 101056^2 + 42531^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021201097 - 27 = 12021200969 is a prime.

It is a super-3 number, since 3×120212010973 (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12021201697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010600548 + 6010600549.

It is an arithmetic number, because the mean of its divisors is an integer number (6010600549).

Almost surely, 212021201097 is an apocalyptic number.

It is an amenable number.

12021201097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021201097 is an equidigital number, since it uses as much as digits as its factorization.

12021201097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 12021201097 in words is "twelve billion, twenty-one million, two hundred one thousand, ninety-seven".