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12121003331110 = 2517361609113723
BaseRepresentation
bin1011000001100010010000…
…0110010000111000100110
31120220202102120012012211101
42300120210012100320212
53042042303323043420
641440151223230314
72360466522241342
oct260304406207046
946822376165741
1012121003331110
113953541428493
12143916b5a839a
1369c00c70c3ab
142dc93429c622
1516046601460a
hexb0624190e26

12121003331110 has 32 divisors (see below), whose sum is σ = 21944469624480. Its totient is φ = 4820255263488.

The previous prime is 12121003331081. The next prime is 12121003331119. The reversal of 12121003331110 is 1113330012121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121003331119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106526709 + ... + 106640431.

It is an arithmetic number, because the mean of its divisors is an integer number (685764675765).

Almost surely, 212121003331110 is an apocalyptic number.

12121003331110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121003331110 is a deficient number, since it is larger than the sum of its proper divisors (9823466293370).

12121003331110 is a wasteful number, since it uses less digits than its factorization.

12121003331110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175512.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12121003331110 its reverse (1113330012121), we get a palindrome (13234333343231).

The spelling of 12121003331110 in words is "twelve trillion, one hundred twenty-one billion, three million, three hundred thirty-one thousand, one hundred ten".

Divisors: 1 2 5 10 173 346 865 1730 61609 113723 123218 227446 308045 568615 616090 1137230 10658357 19674079 21316714 39348158 53291785 98370395 106583570 196740790 7006360307 14012720614 35031801535 70063603070 1212100333111 2424200666222 6060501665555 12121003331110