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12132111142 = 29901612671
BaseRepresentation
bin10110100110010000…
…10101001100100110
31011022111201002202201
423103020111030212
5144321310024032
65323505125114
7606434146264
oct132310251446
934274632681
1012132111142
115166295738
12242702979a
1311b463c1b8
148313ab434
154b01698e7
hex2d3215326

12132111142 has 8 divisors (see below), whose sum is σ = 18200034432. Its totient is φ = 6065433000.

The previous prime is 12132111137. The next prime is 12132111143. The reversal of 12132111142 is 24111123121.

12132111142 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132111143) 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, 286534 + ... + 326137.

It is an arithmetic number, because the mean of its divisors is an integer number (2275004304).

Almost surely, 212132111142 is an apocalyptic number.

12132111142 is a deficient number, since it is larger than the sum of its proper divisors (6067923290).

12132111142 is an equidigital number, since it uses as much as digits as its factorization.

12132111142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622574.

The product of its digits is 96, while the sum is 19.

Adding to 12132111142 its reverse (24111123121), we get a palindrome (36243234263).

The spelling of 12132111142 in words is "twelve billion, one hundred thirty-two million, one hundred eleven thousand, one hundred forty-two".

Divisors: 1 2 9901 19802 612671 1225342 6066055571 12132111142