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12012102213011 = 19496163213039
BaseRepresentation
bin1010111011001100100100…
…0101011101110110010011
31120112100100001112020000222
42232303021011131312103
53033301241131304021
641314141130303255
72346563043066245
oct256631105356623
946470301466028
1012012102213011
1139113385a963a
121420038887b2b
13691975a91284
142d7563006095
1515c6e06316ab
hexaecc915dd93

12012102213011 has 4 divisors (see below), whose sum is σ = 12018265428000. Its totient is φ = 12005938998024.

The previous prime is 12012102212987. The next prime is 12012102213029. The reversal of 12012102213011 is 11031220121021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12012102213011 - 234 = 11994922343827 is a prime.

It is a super-2 number, since 2×120121022130112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012102213211) 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, 3081604571 + ... + 3081608468.

It is an arithmetic number, because the mean of its divisors is an integer number (3004566357000).

Almost surely, 212012102213011 is an apocalyptic number.

12012102213011 is a deficient number, since it is larger than the sum of its proper divisors (6163214989).

12012102213011 is an equidigital number, since it uses as much as digits as its factorization.

12012102213011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163214988.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12012102213011 its reverse (11031220121021), we get a palindrome (23043322334032).

The spelling of 12012102213011 in words is "twelve trillion, twelve billion, one hundred two million, two hundred thirteen thousand, eleven".

Divisors: 1 1949 6163213039 12012102213011