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10122021212 = 2231165912347
BaseRepresentation
bin10010110110101000…
…11100100101011100
3222010102100221202112
421123110130211130
5131212214134322
64352222013152
7505555521632
oct113324344534
928112327675
1010122021212
114324687396
121b65a171b8
13c54071384
146c0447352
153e39625e2
hex25b51c95c

10122021212 has 24 divisors (see below), whose sum is σ = 17798901120. Its totient is φ = 5036674160.

The previous prime is 10122021157. The next prime is 10122021223. The reversal of 10122021212 is 21212022101.

10122021212 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813623 + ... + 825969.

It is an arithmetic number, because the mean of its divisors is an integer number (741620880).

Almost surely, 210122021212 is an apocalyptic number.

It is an amenable number.

10122021212 is a deficient number, since it is larger than the sum of its proper divisors (7676879908).

10122021212 is a wasteful number, since it uses less digits than its factorization.

10122021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13321 (or 13319 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10122021212 its reverse (21212022101), we get a palindrome (31334043313).

The spelling of 10122021212 in words is "ten billion, one hundred twenty-two million, twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 311 622 659 1244 1318 2636 12347 24694 49388 204949 409898 819796 3839917 7679834 8136673 15359668 16273346 32546692 2530505303 5061010606 10122021212