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12310020200 = 2352193239479
BaseRepresentation
bin10110111011011110…
…00000000001101000
31011202220110211010002
423131233000001220
5200202331121300
65353302242132
7614024305502
oct133557000150
934686424102
1012310020200
11524775a415
122476726348
13121246042a
1484ac7cd72
154c0aad5d5
hex2ddbc0068

12310020200 has 48 divisors (see below), whose sum is σ = 30127164000. Its totient is φ = 4664848320.

The previous prime is 12310020197. The next prime is 12310020209. The reversal of 12310020200 is 202001321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12310020209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1615940 + ... + 1623539.

It is an arithmetic number, because the mean of its divisors is an integer number (627649250).

Almost surely, 212310020200 is an apocalyptic number.

12310020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310020200 is an abundant number, since it is smaller than the sum of its proper divisors (17817143800).

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

12310020200 is a wasteful number, since it uses less digits than its factorization.

12310020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239514 (or 3239505 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12310020200 its reverse (202001321), we get a palindrome (12512021521).

The spelling of 12310020200 in words is "twelve billion, three hundred ten million, twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 152 190 200 380 475 760 950 1900 3800 3239479 6478958 12957916 16197395 25915832 32394790 61550101 64789580 80986975 123100202 129579160 161973950 246200404 307750505 323947900 492400808 615501010 647895800 1231002020 1538752525 2462004040 3077505050 6155010100 12310020200