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12125080752137 = 12779494973181
BaseRepresentation
bin1011000001110001011100…
…1000011001000000001001
31120221010221201120122221222
42300130113020121000021
53042124131133032022
641442104000411425
72361002542610243
oct260342710310011
946833851518858
1012125080752137
113955243a91231
121439b09016b75
1369c50c39a362
142dcbdda07093
15160603e7e242
hexb0717219009

12125080752137 has 4 divisors (see below), whose sum is σ = 12134575726596. Its totient is φ = 12115585777680.

The previous prime is 12125080752101. The next prime is 12125080752139. The reversal of 12125080752137 is 73125708052121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2924359925776 + 9200720826361 = 1710076^2 + 3033269^2 .

It is a cyclic number.

It is not a de Polignac number, because 12125080752137 - 26 = 12125080752073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12125080752139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4747485314 + ... + 4747487867.

It is an arithmetic number, because the mean of its divisors is an integer number (3033643931649).

Almost surely, 212125080752137 is an apocalyptic number.

It is an amenable number.

12125080752137 is a deficient number, since it is larger than the sum of its proper divisors (9494974459).

12125080752137 is an equidigital number, since it uses as much as digits as its factorization.

12125080752137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9494974458.

The product of its (nonzero) digits is 235200, while the sum is 44.

The spelling of 12125080752137 in words is "twelve trillion, one hundred twenty-five billion, eighty million, seven hundred fifty-two thousand, one hundred thirty-seven".

Divisors: 1 1277 9494973181 12125080752137