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12112748537472 = 27321112711816373
BaseRepresentation
bin1011000001000011100000…
…0100101110011010000000
31120212222010021100020202200
42300100320010232122000
53041423402111144342
641432304142313200
72360055125532522
oct260207004563200
946788107306680
1012112748537472
11394aa95852890
121437646b88800
1369b2c5468a0b
142dc38dc2ba12
1516013148994c
hexb043812e680

12112748537472 has 384 divisors, whose sum is σ = 38362268805120. Its totient is φ = 3637973606400.

The previous prime is 12112748537431. The next prime is 12112748537573. The reversal of 12112748537472 is 27473584721121.

12112748537472 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 27 + 48 + 537 + 47 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1900632078 + ... + 1900638450.

It is an arithmetic number, because the mean of its divisors is an integer number (99901741680).

Almost surely, 212112748537472 is an apocalyptic number.

12112748537472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112748537472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19181134402560).

12112748537472 is an abundant number, since it is smaller than the sum of its proper divisors (26249520267648).

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

12112748537472 is a wasteful number, since it uses less digits than its factorization.

12112748537472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7712 (or 7697 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 54.

The spelling of 12112748537472 in words is "twelve trillion, one hundred twelve billion, seven hundred forty-eight million, five hundred thirty-seven thousand, four hundred seventy-two".