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10121110212 = 2231018350751
BaseRepresentation
bin10010110110100001…
…11110001011000100
3222010100122200002210
421123100332023010
5131212001011322
64352150303420
7505545005643
oct113320761304
928110580083
1010121110212
1143241149a4
121b65657b70
13c53b12815
146c028b35a
153e383270c
hex25b43e2c4

10121110212 has 24 divisors (see below), whose sum is σ = 23849747712. Its totient is φ = 3340300000.

The previous prime is 10121110199. The next prime is 10121110213. The reversal of 10121110212 is 21201112101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (10121110213) 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, 4174164 + ... + 4176587.

It is an arithmetic number, because the mean of its divisors is an integer number (993739488).

Almost surely, 210121110212 is an apocalyptic number.

10121110212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10121110212 is an abundant number, since it is smaller than the sum of its proper divisors (13728637500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121110212 is a wasteful number, since it uses less digits than its factorization.

10121110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8350859 (or 8350857 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10121110212 its reverse (21201112101), we get a palindrome (31322222313).

The spelling of 10121110212 in words is "ten billion, one hundred twenty-one million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 101 202 303 404 606 1212 8350751 16701502 25052253 33403004 50104506 100209012 843425851 1686851702 2530277553 3373703404 5060555106 10121110212