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12103220200 = 2352337179573
BaseRepresentation
bin10110100010110100…
…00111101111101000
31011020111100021211211
423101122013233220
5144241411021300
65320554002504
7605633450161
oct132132075750
934214307754
1012103220200
115150a52525
122419416434
1311ab664c76
1482b60a768
154ac85e4ba
hex2d1687be8

12103220200 has 48 divisors (see below), whose sum is σ = 28223645580. Its totient is φ = 4826895360.

The previous prime is 12103220197. The next prime is 12103220219. The reversal of 12103220200 is 202230121.

It can be written as a sum of positive squares in 6 ways, for example, as 4250779204 + 7852440996 = 65198^2 + 88614^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22387 + ... + 157186.

Almost surely, 212103220200 is an apocalyptic number.

12103220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103220200 is an abundant number, since it is smaller than the sum of its proper divisors (16120425380).

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

12103220200 is a wasteful number, since it uses less digits than its factorization.

12103220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179926 (or 179917 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12103220200 its reverse (202230121), we get a palindrome (12305450321).

The spelling of 12103220200 in words is "twelve billion, one hundred three million, two hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 337 674 1348 1685 2696 3370 6740 8425 13480 16850 33700 67400 179573 359146 718292 897865 1436584 1795730 3591460 4489325 7182920 8978650 17957300 35914600 60516101 121032202 242064404 302580505 484128808 605161010 1210322020 1512902525 2420644040 3025805050 6051610100 12103220200