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12101120124 = 2238312149719
BaseRepresentation
bin10110100010100100…
…00111000001111100
31011020100101121002020
423101102013001330
5144240341320444
65320441000140
7605606552412
oct132122070174
934210347066
1012101120124
11514a848725
122418783050
1311ab0ab112
1482b2212b2
154ac597119
hex2d148707c

12101120124 has 24 divisors (see below), whose sum is σ = 28576141440. Its totient is φ = 3985107504.

The previous prime is 12101120123. The next prime is 12101120173. The reversal of 12101120124 is 42102110121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101120123) 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, 6073864 + ... + 6075855.

It is an arithmetic number, because the mean of its divisors is an integer number (1190672560).

Almost surely, 212101120124 is an apocalyptic number.

It is an amenable number.

12101120124 is an abundant number, since it is smaller than the sum of its proper divisors (16475021316).

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

12101120124 is a wasteful number, since it uses less digits than its factorization.

12101120124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12149809 (or 12149807 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12101120124 its reverse (42102110121), we get a palindrome (54203230245).

The spelling of 12101120124 in words is "twelve billion, one hundred one million, one hundred twenty thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 12149719 24299438 36449157 48598876 72898314 145796628 1008426677 2016853354 3025280031 4033706708 6050560062 12101120124