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12200222000 = 24536100111
BaseRepresentation
bin10110101110011000…
…01001110100110000
31011111020212111022002
423113030021310300
5144441224101000
65334341033132
7611222114231
oct132714116460
934436774262
1012200222000
1151a07863aa
1224459b57a8
1311c5798b95
1483a45b088
154b61208d5
hex2d7309d30

12200222000 has 40 divisors (see below), whose sum is σ = 29500141632. Its totient is φ = 4880088000.

The previous prime is 12200221981. The next prime is 12200222009. The reversal of 12200222000 is 22200221.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (12200222009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3048056 + ... + 3052055.

Almost surely, 212200222000 is an apocalyptic number.

12200222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200222000 is an abundant number, since it is smaller than the sum of its proper divisors (17299919632).

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

12200222000 is an equidigital number, since it uses as much as digits as its factorization.

12200222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100134 (or 6100118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 12200222000 its reverse (22200221), we get a palindrome (12222422221).

The spelling of 12200222000 in words is "twelve billion, two hundred million, two hundred twenty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 6100111 12200222 24400444 30500555 48800888 61001110 97601776 122002220 152502775 244004440 305005550 488008880 610011100 762513875 1220022200 1525027750 2440044400 3050055500 6100111000 12200222000