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12102211413 = 3217246732063
BaseRepresentation
bin10110100010101100…
…10001011101010101
31011020102110001001100
423101112101131111
5144241131231123
65320520220313
7605622046125
oct132126213525
934212401040
1012102211413
115150423616
12241900a699
1311ab3a0a56
1482b426c85
154ac710643
hex2d1591755

12102211413 has 24 divisors (see below), whose sum is σ = 18517344768. Its totient is φ = 7590229632.

The previous prime is 12102211403. The next prime is 12102211453. The reversal of 12102211413 is 31411220121.

12102211413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12102211413 - 26 = 12102211349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102211403) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 361420 + ... + 393482.

It is an arithmetic number, because the mean of its divisors is an integer number (771556032).

Almost surely, 212102211413 is an apocalyptic number.

It is an amenable number.

12102211413 is a deficient number, since it is larger than the sum of its proper divisors (6415133355).

12102211413 is a wasteful number, since it uses less digits than its factorization.

12102211413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34553 (or 34550 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12102211413 its reverse (31411220121), we get a palindrome (43513431534).

The spelling of 12102211413 in words is "twelve billion, one hundred two million, two hundred eleven thousand, four hundred thirteen".

Divisors: 1 3 9 17 51 153 2467 7401 22203 32063 41939 96189 125817 288567 377451 545071 1635213 4905639 79099421 237298263 711894789 1344690157 4034070471 12102211413