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12002012000 = 255311416653
BaseRepresentation
bin10110010110110000…
…00010101101100000
31010222102220101021222
423023120002231200
5144040003341000
65302540434212
7603264263426
oct131330025540
933872811258
1012002012000
1150a9906290
1223ab548968
1311936ba564
1481bdc3116
154a3a1ba85
hex2cb602b60

12002012000 has 192 divisors, whose sum is σ = 32959338048. Its totient is φ = 4257280000.

The previous prime is 12002011993. The next prime is 12002012027. The reversal of 12002012000 is 21020021.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1800674 + ... + 1807326.

It is an arithmetic number, because the mean of its divisors is an integer number (171663219).

Almost surely, 212002012000 is an apocalyptic number.

12002012000 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 12002012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16479669024).

12002012000 is an abundant number, since it is smaller than the sum of its proper divisors (20957326048).

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

12002012000 is a wasteful number, since it uses less digits than its factorization.

12002012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6730 (or 6712 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 12002012000 its reverse (21020021), we get a palindrome (12023032021).

The spelling of 12002012000 in words is "twelve billion, two million, twelve thousand".