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12012111120986 = 250591187202127
BaseRepresentation
bin1010111011001100100110…
…0111011100101001011010
31120112100100200021210110222
42232303021213130221122
53033301300421332421
641314142045240042
72346563211600104
oct256631147345132
946470320253428
1012012111120986
1139113426332a9
12142003b863022
1369197788ca72
142d7564284574
1515c6e12e0cab
hexaecc99dca5a

12012111120986 has 8 divisors (see below), whose sum is σ = 18021728303040. Its totient is φ = 6004868353308.

The previous prime is 12012111120983. The next prime is 12012111121033. The reversal of 12012111120986 is 68902111121021.

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

It is a super-2 number, since 2×120121111209862 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12012111120983) 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, 593590946 + ... + 593611181.

It is an arithmetic number, because the mean of its divisors is an integer number (2252716037880).

Almost surely, 212012111120986 is an apocalyptic number.

12012111120986 is a deficient number, since it is larger than the sum of its proper divisors (6009617182054).

12012111120986 is a wasteful number, since it uses less digits than its factorization.

12012111120986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187207188.

The product of its (nonzero) digits is 3456, while the sum is 35.

Adding to 12012111120986 its sum of digits (35), we get a palindrome (12012111121021).

The spelling of 12012111120986 in words is "twelve trillion, twelve billion, one hundred eleven million, one hundred twenty thousand, nine hundred eighty-six".

Divisors: 1 2 5059 10118 1187202127 2374404254 6006055560493 12012111120986