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101212212202210 = 2599011022242321
BaseRepresentation
bin10111000000110101001101…
…111101001000101011100010
3111021100210102002102210022201
4113000311031331020223202
5101231230102310432320
6555132125353123414
730214224653640334
oct2700651575105342
9437323362383281
10101212212202210
112a28194921156a
12b4277310b956a
1344623698327b5
141adc9a91d5454
15ba7b6669570a
hex5c0d4df48ae2

101212212202210 has 16 divisors (see below), whose sum is σ = 182200382503992. Its totient is φ = 40480795872000.

The previous prime is 101212212202193. The next prime is 101212212202229. The reversal of 101212212202210 is 12202212212101.

It can be written as a sum of positive squares in 4 ways, for example, as 100442348100649 + 769864101561 = 10022093^2 + 877419^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511022151 + ... + 511220170.

Almost surely, 2101212212202210 is an apocalyptic number.

101212212202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212212202210 is a deficient number, since it is larger than the sum of its proper divisors (80988170301782).

101212212202210 is a wasteful number, since it uses less digits than its factorization.

101212212202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022252229.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101212212202210 its reverse (12202212212101), we get a palindrome (113414424414311).

The spelling of 101212212202210 in words is "one hundred one trillion, two hundred twelve billion, two hundred twelve million, two hundred two thousand, two hundred ten".

Divisors: 1 2 5 10 9901 19802 49505 99010 1022242321 2044484642 5111211605 10222423210 10121221220221 20242442440442 50606106101105 101212212202210