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12342500121 = 37587738101
BaseRepresentation
bin10110111111010101…
…11001101100011001
31011212011120222012010
423133222321230121
5200234140000441
65400422340133
7614600343240
oct133752715431
934764528163
1012342500121
115264024026
12248558a649
1312190c3113
148512d5957
154c3877116
hex2dfab9b19

12342500121 has 8 divisors (see below), whose sum is σ = 18807619264. Its totient is φ = 7052857200.

The previous prime is 12342500119. The next prime is 12342500129. The reversal of 12342500121 is 12100524321.

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

It is not a de Polignac number, because 12342500121 - 21 = 12342500119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 587738101 = 12342500121 / (1 + 2 + 3 + 4 + 2 + 5 + 0 + 0 + 1 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (12342500129) 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, 293869030 + ... + 293869071.

It is an arithmetic number, because the mean of its divisors is an integer number (2350952408).

Almost surely, 212342500121 is an apocalyptic number.

It is an amenable number.

12342500121 is a deficient number, since it is larger than the sum of its proper divisors (6465119143).

12342500121 is an equidigital number, since it uses as much as digits as its factorization.

12342500121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587738111.

The product of its (nonzero) digits is 480, while the sum is 21.

The spelling of 12342500121 in words is "twelve billion, three hundred forty-two million, five hundred thousand, one hundred twenty-one".

Divisors: 1 3 7 21 587738101 1763214303 4114166707 12342500121