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1220211010010 = 25832441602267
BaseRepresentation
bin10001110000011010001…
…111100110100111011010
311022122120121021210112202
4101300122033212213122
5124442443004310020
62332320204410202
7154104652311326
oct21603217464732
94278517253482
101220211010010
11430541339053
1217859a246962
138b0b0903125
14430b685a986
1521b19237e75
hex11c1a3e69da

1220211010010 has 32 divisors (see below), whose sum is σ = 2223756545472. Its totient is φ = 482005525120.

The previous prime is 1220211010003. The next prime is 1220211010087. The reversal of 1220211010010 is 100101120221.

It is a junction number, because it is equal to n+sod(n) for n = 1220211009973 and 1220211010000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1724897 + ... + 2327163.

It is an arithmetic number, because the mean of its divisors is an integer number (69492392046).

Almost surely, 21220211010010 is an apocalyptic number.

1220211010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220211010010 is a deficient number, since it is larger than the sum of its proper divisors (1003545535462).

1220211010010 is a wasteful number, since it uses less digits than its factorization.

1220211010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604798.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1220211010010 its reverse (100101120221), we get a palindrome (1320312130231).

The spelling of 1220211010010 in words is "one trillion, two hundred twenty billion, two hundred eleven million, ten thousand, ten".

Divisors: 1 2 5 10 83 166 415 830 2441 4882 12205 24410 202603 405206 602267 1013015 1204534 2026030 3011335 6022670 49988161 99976322 249940805 499881610 1470133747 2940267494 7350668735 14701337470 122021101001 244042202002 610105505005 1220211010010