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12132001000 = 235371733143
BaseRepresentation
bin10110100110001111…
…11010010011101000
31011022111111111200101
423103013322103220
5144321243013000
65323502515144
7606433210210
oct132307722350
934274444611
1012132001000
11516621aa09
122426b95ab4
1311b4601022
1483137d240
154b0146e6a
hex2d31fa4e8

12132001000 has 64 divisors (see below), whose sum is σ = 32444455680. Its totient is φ = 4159540800.

The previous prime is 12132000967. The next prime is 12132001031. The reversal of 12132001000 is 10023121.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 859572 + ... + 873571.

It is an arithmetic number, because the mean of its divisors is an integer number (506944620).

Almost surely, 212132001000 is an apocalyptic number.

12132001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12132001000 is an abundant number, since it is smaller than the sum of its proper divisors (20312454680).

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

12132001000 is a wasteful number, since it uses less digits than its factorization.

12132001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733171 (or 1733157 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 12132001000 its reverse (10023121), we get a palindrome (12142024121).

The spelling of 12132001000 in words is "twelve billion, one hundred thirty-two million, one thousand".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 125 140 175 200 250 280 350 500 700 875 1000 1400 1750 3500 7000 1733143 3466286 6932572 8665715 12132001 13865144 17331430 24264002 34662860 43328575 48528004 60660005 69325720 86657150 97056008 121320010 173314300 216642875 242640020 303300025 346628600 433285750 485280040 606600050 866571500 1213200100 1516500125 1733143000 2426400200 3033000250 6066000500 12132001000