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12112103303020 = 2257381132269961
BaseRepresentation
bin1011000001000001000110…
…0111010110011101101100
31120212220110022012221111101
42300100101213112131230
53041421041421144040
641432120132532444
72360033132244520
oct260202147263554
946786408187441
1012112103303020
11394a794609676
1214374a6a81124
1369b221892b96
142dc32c26bd80
151600e49d409a
hexb04119d676c

12112103303020 has 48 divisors (see below), whose sum is σ = 29069823440448. Its totient is φ = 4152610344960.

The previous prime is 12112103302973. The next prime is 12112103303071. The reversal of 12112103303020 is 2030330121121.

It is a super-2 number, since 2×121121033030202 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4200840 + ... + 6470800.

It is an arithmetic number, because the mean of its divisors is an integer number (605621321676).

Almost surely, 212112103303020 is an apocalyptic number.

12112103303020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112103303020 is an abundant number, since it is smaller than the sum of its proper divisors (16957720137428).

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

12112103303020 is a wasteful number, since it uses less digits than its factorization.

12112103303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308090 (or 2308088 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12112103303020 its reverse (2030330121121), we get a palindrome (14142433424141).

The spelling of 12112103303020 in words is "twelve trillion, one hundred twelve billion, one hundred three million, three hundred three thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 38113 76226 152452 190565 266791 381130 533582 762260 1067164 1333955 2269961 2667910 4539922 5335820 9079844 11349805 15889727 22699610 31779454 45399220 63558908 79448635 158897270 317794540 86515023593 173030047186 346060094372 432575117965 605605165151 865150235930 1211210330302 1730300471860 2422420660604 3028025825755 6056051651510 12112103303020