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121012112330103 = 351197879931779
BaseRepresentation
bin11011100000111101010011…
…111110000000110101110111
3120212110122102011200120201010
4123200331103332000311313
5111330130301224030403
61105212110312403303
734326556645065021
oct3340752376006567
9525418364616633
10121012112330103
1135615a486a3a75
12116a4b5b6a6533
13526a515bc9b37
1421c5035db5011
15decc0942a603
hex6e0f53f80d77

121012112330103 has 8 divisors (see below), whose sum is σ = 161381002854400. Its totient is φ = 80658981679608.

The previous prime is 121012112330089. The next prime is 121012112330113. The reversal of 121012112330103 is 301033211210121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121012112330103 - 220 = 121012111281527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121012112330103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012112330113) 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, 3939950533 + ... + 3939981246.

It is an arithmetic number, because the mean of its divisors is an integer number (20172625356800).

Almost surely, 2121012112330103 is an apocalyptic number.

121012112330103 is a deficient number, since it is larger than the sum of its proper divisors (40368890524297).

121012112330103 is an equidigital number, since it uses as much as digits as its factorization.

121012112330103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7879936901.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121012112330103 its reverse (301033211210121), we get a palindrome (422045323540224).

The spelling of 121012112330103 in words is "one hundred twenty-one trillion, twelve billion, one hundred twelve million, three hundred thirty thousand, one hundred three".

Divisors: 1 3 5119 15357 7879931779 23639795337 40337370776701 121012112330103