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1021202201210 = 25983103886287
BaseRepresentation
bin11101101110001000110…
…01001111101001111010
310121121220100002211202112
432313010121033221322
5113212410230414320
62101044523132322
7133531225326512
oct16670431175172
93547810084675
101021202201210
113640a9024534
12145aba6740a2
13753b6a58829
14375d8272842
151b86cd04ec5
hexedc464fa7a

1021202201210 has 16 divisors (see below), whose sum is σ = 1840033933056. Its totient is φ = 408065331408.

The previous prime is 1021202201101. The next prime is 1021202201231. The reversal of 1021202201210 is 121022021201.

It is a super-2 number, since 2×10212022012102 (a number of 25 digits) contains 22 as substring.

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, 51933314 + ... + 51952973.

It is an arithmetic number, because the mean of its divisors is an integer number (115002120816).

Almost surely, 21021202201210 is an apocalyptic number.

1021202201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021202201210 is a deficient number, since it is larger than the sum of its proper divisors (818831731846).

1021202201210 is a wasteful number, since it uses less digits than its factorization.

1021202201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103887277.

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

Adding to 1021202201210 its reverse (121022021201), we get a palindrome (1142224222411).

The spelling of 1021202201210 in words is "one trillion, twenty-one billion, two hundred two million, two hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 983 1966 4915 9830 103886287 207772574 519431435 1038862870 102120220121 204240440242 510601100605 1021202201210