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12125240299 = 39741972893
BaseRepresentation
bin10110100101011100…
…00111101111101011
31011022000210000202001
423102232013233223
5144313030142144
65323101551431
7606321561544
oct132256075753
934260700661
1012125240299
115162422557
122424875577
1311b30a4a03
148304dd4cb
154ae75dbd4
hex2d2b87beb

12125240299 has 8 divisors (see below), whose sum is σ = 12184961040. Its totient is φ = 12065666976.

The previous prime is 12125240261. The next prime is 12125240371. The reversal of 12125240299 is 99204252121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12125240299 - 215 = 12125207531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12125240219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129897 + ... + 202789.

It is an arithmetic number, because the mean of its divisors is an integer number (1523120130).

Almost surely, 212125240299 is an apocalyptic number.

12125240299 is a deficient number, since it is larger than the sum of its proper divisors (59720741).

12125240299 is an equidigital number, since it uses as much as digits as its factorization.

12125240299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73709.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 12125240299 in words is "twelve billion, one hundred twenty-five million, two hundred forty thousand, two hundred ninety-nine".

Divisors: 1 397 419 72893 166343 28938521 30542167 12125240299