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12112758303021 = 321797518782311
BaseRepresentation
bin1011000001000011100010…
…1001111110100100101101
31120212222010221201101120200
42300100320221332210231
53041423412111144041
641432305131504113
72360055304534515
oct260207051764455
946788127641520
1012112758303021
11394aaa0312892
12143764a2b8039
1369b2c74a794c
142dc391250845
151601322681b6
hexb0438a7e92d

12112758303021 has 12 divisors (see below), whose sum is σ = 17593950610080. Its totient is φ = 8030059507080.

The previous prime is 12112758303013. The next prime is 12112758303097. The reversal of 12112758303021 is 12030385721121.

12112758303021 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 27 + 583 + 0 + 30 + 21 = 666.

It is not a de Polignac number, because 12112758303021 - 23 = 12112758303013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112758303721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3759389545 + ... + 3759392766.

It is an arithmetic number, because the mean of its divisors is an integer number (1466162550840).

Almost surely, 212112758303021 is an apocalyptic number.

It is an amenable number.

12112758303021 is a deficient number, since it is larger than the sum of its proper divisors (5481192307059).

12112758303021 is a wasteful number, since it uses less digits than its factorization.

12112758303021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7518782496 (or 7518782493 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 12112758303021 in words is "twelve trillion, one hundred twelve billion, seven hundred fifty-eight million, three hundred three thousand, twenty-one".

Divisors: 1 3 9 179 537 1611 7518782311 22556346933 67669040799 1345862033669 4037586101007 12112758303021