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12101202200 = 2352103587437
BaseRepresentation
bin10110100010100100…
…11011000100011000
31011020100112202200002
423101102123010120
5144240401432300
65320442432132
7605610343613
oct132122330430
934210482602
1012101202200
11514a8a435a
122418802648
1311ab109599
1482b24317a
154ac5b15d5
hex2d149b118

12101202200 has 48 divisors (see below), whose sum is σ = 28408501680. Its totient is φ = 4793477760.

The previous prime is 12101202181. The next prime is 12101202209. The reversal of 12101202200 is 220210121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101202209) 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, 273119 + ... + 314318.

It is an arithmetic number, because the mean of its divisors is an integer number (591843785).

Almost surely, 212101202200 is an apocalyptic number.

12101202200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101202200 is an abundant number, since it is smaller than the sum of its proper divisors (16307299480).

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

12101202200 is a wasteful number, since it uses less digits than its factorization.

12101202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587556 (or 587547 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12101202200 its reverse (220210121), we get a palindrome (12321412321).

The spelling of 12101202200 in words is "twelve billion, one hundred one million, two hundred two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 103 200 206 412 515 824 1030 2060 2575 4120 5150 10300 20600 587437 1174874 2349748 2937185 4699496 5874370 11748740 14685925 23497480 29371850 58743700 60506011 117487400 121012022 242024044 302530055 484048088 605060110 1210120220 1512650275 2420240440 3025300550 6050601100 12101202200