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212012010101101 = 7238036037188459
BaseRepresentation
bin110000001101001011100100…
…100011001101100101101101
31000210200011001111211111211011
4300031023210203031211231
5210242101044041213401
62030524550045425221
762441235152444200
oct6015134443154555
91023604044744734
10212012010101101
116160a874618941
121b94142126b211
13913b853c3bb62
143a4d6166cd937
151979dbb578451
hexc0d2e48cd96d

212012010101101 has 24 divisors (see below), whose sum is σ = 246733238665440. Its totient is φ = 181645737813792.

The previous prime is 212012010101069. The next prime is 212012010101107. The reversal of 212012010101101 is 101101010210212.

It is a happy number.

It is not a de Polignac number, because 212012010101101 - 25 = 212012010101069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012010101107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1124882610 + ... + 1125071068.

It is an arithmetic number, because the mean of its divisors is an integer number (10280551611060).

Almost surely, 2212012010101101 is an apocalyptic number.

It is an amenable number.

212012010101101 is a deficient number, since it is larger than the sum of its proper divisors (34721228564339).

212012010101101 is a wasteful number, since it uses less digits than its factorization.

212012010101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198313 (or 198306 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 212012010101101 its reverse (101101010210212), we get a palindrome (313113020311313).

The spelling of 212012010101101 in words is "two hundred twelve trillion, twelve billion, ten million, one hundred one thousand, one hundred one".

Divisors: 1 7 49 3803 6037 26621 42259 186347 188459 295813 1319213 9234491 22958711 160710977 716709577 1124976839 1137726983 5016967039 7964088881 35118769273 55748622167 4326775716349 30287430014443 212012010101101