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12121131482 = 253114350297
BaseRepresentation
bin10110100100111100…
…11100100111011010
31011021202001021111122
423102132130213122
5144311002201412
65322433525242
7606241626515
oct132236344732
934252037448
1012121131482
115160076539
122423413822
1311b2296765
1482db4dd7c
154ae1eb572
hex2d279c9da

12121131482 has 8 divisors (see below), whose sum is σ = 18524748276. Its totient is φ = 5946215392.

The previous prime is 12121131467. The next prime is 12121131493. The reversal of 12121131482 is 28413112121.

It can be written as a sum of positive squares in 2 ways, for example, as 9828541321 + 2292590161 = 99139^2 + 47881^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 57175043 + ... + 57175254.

Almost surely, 212121131482 is an apocalyptic number.

12121131482 is a deficient number, since it is larger than the sum of its proper divisors (6403616794).

12121131482 is a wasteful number, since it uses less digits than its factorization.

12121131482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114350352.

The product of its digits is 768, while the sum is 26.

The spelling of 12121131482 in words is "twelve billion, one hundred twenty-one million, one hundred thirty-one thousand, four hundred eighty-two".

Divisors: 1 2 53 106 114350297 228700594 6060565741 12121131482