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12121140410 = 251667727123
BaseRepresentation
bin10110100100111100…
…11110110010111010
31011021202001201202022
423102132132302322
5144311002443120
65322434034442
7606241664531
oct132236366272
934252051668
1012121140410
115160082215
122423418a22
1311b229a842
1482db53318
154ae1ee025
hex2d279ecba

12121140410 has 16 divisors (see below), whose sum is σ = 21831170976. Its totient is φ = 4845541008.

The previous prime is 12121140401. The next prime is 12121140413. The reversal of 12121140410 is 1404112121.

It is not an unprimeable number, because it can be changed into a prime (12121140413) 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, 346892 + ... + 380231.

It is an arithmetic number, because the mean of its divisors is an integer number (1364448186).

Almost surely, 212121140410 is an apocalyptic number.

12121140410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121140410 is a deficient number, since it is larger than the sum of its proper divisors (9710030566).

12121140410 is a wasteful number, since it uses less digits than its factorization.

12121140410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728797.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12121140410 its reverse (1404112121), we get a palindrome (13525252531).

The spelling of 12121140410 in words is "twelve billion, one hundred twenty-one million, one hundred forty thousand, four hundred ten".

Divisors: 1 2 5 10 1667 3334 8335 16670 727123 1454246 3635615 7271230 1212114041 2424228082 6060570205 12121140410