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200212112120 = 23523217621861
BaseRepresentation
bin1011101001110110010…
…0100110001011111000
3201010210010102002121212
42322131210212023320
511240013300041440
6231550504222252
720315304605456
oct2723544461370
9633703362555
10200212112120
1177a00577179
123297676a988
1315b592574c7
1499943379d6
15531bdc2465
hex2e9d9262f8

200212112120 has 32 divisors (see below), whose sum is σ = 470063221920. Its totient is φ = 76602894720.

The previous prime is 200212112117. The next prime is 200212112159. The reversal of 200212112120 is 21211212002.

It is a junction number, because it is equal to n+sod(n) for n = 200212112095 and 200212112104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108810011 + ... + 108811850.

It is an arithmetic number, because the mean of its divisors is an integer number (14689475685).

Almost surely, 2200212112120 is an apocalyptic number.

200212112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200212112120 is an abundant number, since it is smaller than the sum of its proper divisors (269851109800).

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

200212112120 is a wasteful number, since it uses less digits than its factorization.

200212112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217621895 (or 217621891 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200212112120 its reverse (21211212002), we get a palindrome (221423324122).

The spelling of 200212112120 in words is "two hundred billion, two hundred twelve million, one hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 217621861 435243722 870487444 1088109305 1740974888 2176218610 4352437220 5005302803 8704874440 10010605606 20021211212 25026514015 40042422424 50053028030 100106056060 200212112120