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131212001041000 = 23531147727349099
BaseRepresentation
bin11101110101011000101100…
…101101100101101001101000
3122012120202002221210110002021
4131311120230231211221220
5114144234134231303000
61143021543334314224
736431516463445315
oct3565305455455150
9565522087713067
10131212001041000
1138898773997020
12128719217b8974
13582a3142aa489
1424589a24d5d0c
1510281d2b5d11a
hex77562cb65a68

131212001041000 has 256 divisors, whose sum is σ = 342546527232000. Its totient is φ = 46633907232000.

The previous prime is 131212001040979. The next prime is 131212001041031. The reversal of 131212001041000 is 140100212131.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 375684451 + ... + 376033549.

It is an arithmetic number, because the mean of its divisors is an integer number (1338072372000).

Almost surely, 2131212001041000 is an apocalyptic number.

131212001041000 is a gapful number since it is divisible by the number (10) 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 131212001041000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171273263616000).

131212001041000 is an abundant number, since it is smaller than the sum of its proper divisors (211334526191000).

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

131212001041000 is a wasteful number, since it uses less digits than its factorization.

131212001041000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349905 (or 349891 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 131212001041000 its reverse (140100212131), we get a palindrome (131352101253131).

The spelling of 131212001041000 in words is "one hundred thirty-one trillion, two hundred twelve billion, one million, forty-one thousand".