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12020403000 = 233536779757
BaseRepresentation
bin10110011000111100…
…01100101100111000
31011000201111202000010
423030132030230320
5144104210344000
65304434541520
7603606511464
oct131436145470
934021452003
1012020403000
115109227761
1223b57378a0
1311974594c8
1482060d4a4
154a5450d50
hex2cc78cb38

12020403000 has 256 divisors, whose sum is σ = 38596147200. Its totient is φ = 3113510400.

The previous prime is 12020402983. The next prime is 12020403013. The reversal of 12020403000 is 30402021.

12020403000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15878622 + ... + 15879378.

It is an arithmetic number, because the mean of its divisors is an integer number (150766200).

Almost surely, 212020403000 is an apocalyptic number.

12020403000 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 12020403000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19298073600).

12020403000 is an abundant number, since it is smaller than the sum of its proper divisors (26575744200).

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

12020403000 is a wasteful number, since it uses less digits than its factorization.

12020403000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 12020403000 its reverse (30402021), we get a palindrome (12050805021).

The spelling of 12020403000 in words is "twelve billion, twenty million, four hundred three thousand".