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12202201210 = 251223997727
BaseRepresentation
bin10110101110100111…
…01101000001111010
31011111101121001021011
423113103231001322
5144442230414320
65334451304134
7611244666433
oct132723550172
934441531234
1012202201210
1151a1908411
1224465ab04a
1311c600ca04
1483a81448a
154b63b205a
hex2d74ed07a

12202201210 has 16 divisors (see below), whose sum is σ = 21981943296. Its totient is φ = 4876884688.

The previous prime is 12202201199. The next prime is 12202201213. The reversal of 12202201210 is 1210220221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12202201213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486634 + ... + 511093.

It is an arithmetic number, because the mean of its divisors is an integer number (1373871456).

Almost surely, 212202201210 is an apocalyptic number.

12202201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12202201210 is a deficient number, since it is larger than the sum of its proper divisors (9779742086).

12202201210 is a wasteful number, since it uses less digits than its factorization.

12202201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998957.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12202201210 its reverse (1210220221), we get a palindrome (13412421431).

The spelling of 12202201210 in words is "twelve billion, two hundred two million, two hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 1223 2446 6115 12230 997727 1995454 4988635 9977270 1220220121 2440440242 6101100605 12202201210