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BaseRepresentation
bin1010111011001000100010…
…1101001010101011011100
31120112020112210002212012021
42232302020231022223130
53033242033124214322
641313442023545524
72346524216225251
oct256621055125334
946466483085167
1012011022101212
113910933938662
12141b996bbb2a4
13691833084b74
142d749d7a3428
1515c67a8c84c7

12011022101212 has 72 divisors (see below), whose sum is σ = 22594374366480. Its totient is φ = 5585013688320.

The previous prime is 12011022101179. The next prime is 12011022101227. The reversal of 12011022101212 is 21210122011021.

Adding to 12011022101212 its reverse (21210122011021), we get a palindrome (33221144112233).

12011022101212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157477278 + ... + 157553530.

It is an arithmetic number, because the mean of its divisors is an integer number (313810755090).

Almost surely, 212011022101212 is an apocalyptic number.

It is an amenable number.

12011022101212 is a deficient number, since it is larger than the sum of its proper divisors (10583352265268).

12011022101212 is a wasteful number, since it uses less digits than its factorization.

12011022101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77911 (or 77892 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

The spelling of 12011022101212 in words is "twelve trillion, eleven billion, twenty-two million, one hundred one thousand, two hundred twelve".