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12200202012 = 2233313306877
BaseRepresentation
bin10110101110011000…
…00100111100011100
31011111020211110212210
423113030010330130
5144441222431022
65334340400420
7611222002035
oct132714047434
934436743783
1012200202012
1151a0772389
1224459a6110
1311c578ca5b
1483a453a8c
154b6119a0c
hex2d7304f1c

12200202012 has 24 divisors (see below), whose sum is σ = 28475823376. Its totient is φ = 4065493248.

The previous prime is 12200201933. The next prime is 12200202013. The reversal of 12200202012 is 21020200221.

12200202012 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 not an unprimeable number, because it can be changed into a prime (12200202013) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 113683 + ... + 193194.

Almost surely, 212200202012 is an apocalyptic number.

12200202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12200202012 is an abundant number, since it is smaller than the sum of its proper divisors (16275621364).

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

12200202012 is a wasteful number, since it uses less digits than its factorization.

12200202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310197 (or 310195 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12200202012 its reverse (21020200221), we get a palindrome (33220402233).

The spelling of 12200202012 in words is "twelve billion, two hundred million, two hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 3313 6626 9939 13252 19878 39756 306877 613754 920631 1227508 1841262 3682524 1016683501 2033367002 3050050503 4066734004 6100101006 12200202012