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12132122122 = 245439133499
BaseRepresentation
bin10110100110010000…
…10111111000001010
31011022111201122211101
423103020113320022
5144321310401442
65323505252014
7606434223301
oct132310277012
934274648741
1012132122122
1151662a2a0a
12242703400a
1311b46441b3
148313b1438
154b016ccb7
hex2d3217e0a

12132122122 has 8 divisors (see below), whose sum is σ = 18198720000. Its totient is φ = 6065882124.

The previous prime is 12132122113. The next prime is 12132122143. The reversal of 12132122122 is 22122123121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12132122122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24129 + ... + 157627.

It is an arithmetic number, because the mean of its divisors is an integer number (2274840000).

Almost surely, 212132122122 is an apocalyptic number.

12132122122 is a deficient number, since it is larger than the sum of its proper divisors (6066597878).

12132122122 is a wasteful number, since it uses less digits than its factorization.

12132122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178940.

The product of its digits is 192, while the sum is 19.

Adding to 12132122122 its reverse (22122123121), we get a palindrome (34254245243).

Subtracting 12132122122 from its reverse (22122123121), we obtain a palindrome (9990000999).

The spelling of 12132122122 in words is "twelve billion, one hundred thirty-two million, one hundred twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 45439 90878 133499 266998 6066061061 12132122122