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BaseRepresentation
bin10110100010101011…
…00110001111011101
31011020102010001020012
423101111212033131
5144241110100042
65320512333005
7605620411055
oct132125461735
934212101205
1012102034397
115150312622
122418b44165
1311ab33b2cb
1482b3bc565
154ac6c7e82
hex2d15663dd

12102034397 has 2 divisors, whose sum is σ = 12102034398. Its totient is φ = 12102034396.

The previous prime is 12102034387. The next prime is 12102034447. The reversal of 12102034397 is 79343020121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6465928921 + 5636105476 = 80411^2 + 75074^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102034397 - 28 = 12102034141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12102034327) 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, 6051017198 + 6051017199.

It is an arithmetic number, because the mean of its divisors is an integer number (6051017199).

Almost surely, 212102034397 is an apocalyptic number.

It is an amenable number.

12102034397 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102034397 is an equidigital number, since it uses as much as digits as its factorization.

12102034397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 12102034397 in words is "twelve billion, one hundred two million, thirty-four thousand, three hundred ninety-seven".