Search a number
-
+
10012122002221 = 312844711353453
BaseRepresentation
bin1001000110110010000011…
…1110011011001100101101
31022110011000222220202202121
42101230200332123030231
52303014311213032341
633143301053352541
72052231500561533
oct221544076331455
938404028822677
1010012122002221
113210131944779
1211584bb498751
135781a66683c1
14268837028153
151256892624d1
hex91b20f9b32d

10012122002221 has 8 divisors (see below), whose sum is σ = 10335457900544. Its totient is φ = 9688808867760.

The previous prime is 10012122002203. The next prime is 10012122002227. The reversal of 10012122002221 is 12220022121001.

It is a happy number.

10012122002221 is digitally balanced in base 2, 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 cyclic number.

It is not a de Polignac number, because 10012122002221 - 27 = 10012122002093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10012122002195 and 10012122002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012122002227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4794870 + ... + 6558583.

It is an arithmetic number, because the mean of its divisors is an integer number (1291932237568).

Almost surely, 210012122002221 is an apocalyptic number.

It is an amenable number.

10012122002221 is a deficient number, since it is larger than the sum of its proper divisors (323335898323).

10012122002221 is a wasteful number, since it uses less digits than its factorization.

10012122002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11381931.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10012122002221 its reverse (12220022121001), we get a palindrome (22232144123222).

The spelling of 10012122002221 in words is "ten trillion, twelve billion, one hundred twenty-two million, two thousand, two hundred twenty-one".

Divisors: 1 31 28447 881857 11353453 351957043 322971677491 10012122002221