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12112013222020 = 2251087557130323
BaseRepresentation
bin1011000001000000110000…
…1111101110000010000100
31120212220020000201100121001
42300100030033232002010
53041420400341101040
641432103154103044
72360030656463635
oct260201417560204
946786200640531
1012112013222020
11394a748782468
12143748087aa84
1369b20901310a
142dc3202dd88c
151600dbb3d59a
hexb040c3ee084

12112013222020 has 24 divisors (see below), whose sum is σ = 25458627285504. Its totient is φ = 4840348237536.

The previous prime is 12112013222009. The next prime is 12112013222129. The reversal of 12112013222020 is 2022231021121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278543422 + ... + 278586901.

It is an arithmetic number, because the mean of its divisors is an integer number (1060776136896).

Almost surely, 212112013222020 is an apocalyptic number.

12112013222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112013222020 is an abundant number, since it is smaller than the sum of its proper divisors (13346614063484).

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

12112013222020 is a wasteful number, since it uses less digits than its factorization.

12112013222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557131419 (or 557131417 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12112013222020 its reverse (2022231021121), we get a palindrome (14134244243141).

The spelling of 12112013222020 in words is "twelve trillion, one hundred twelve billion, thirteen million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 1087 2174 4348 5435 10870 21740 557130323 1114260646 2228521292 2785651615 5571303230 11142606460 605600661101 1211201322202 2422402644404 3028003305505 6056006611010 12112013222020