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121010000221210 = 25178872161371359
BaseRepresentation
bin11011100000111011010110…
…000100111101010000011010
3120212110102221222101022222211
4123200323112010331100122
5111330111440024034320
61105211120542505334
734326453420336112
oct3340732604752032
9525412858338884
10121010000221210
1135615064445331
12116a467029524a
13526a26a45c569
1421c4cb5696042
15decb33cc055a
hex6e0ed613d41a

121010000221210 has 64 divisors (see below), whose sum is σ = 230998302627840. Its totient is φ = 45484165509120.

The previous prime is 121010000221151. The next prime is 121010000221219. The reversal of 121010000221210 is 12122000010121.

It is not an unprimeable number, because it can be changed into a prime (121010000221219) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 325671511 + ... + 326042869.

It is an arithmetic number, because the mean of its divisors is an integer number (3609348478560).

Almost surely, 2121010000221210 is an apocalyptic number.

121010000221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121010000221210 is a deficient number, since it is larger than the sum of its proper divisors (109988302406630).

121010000221210 is a wasteful number, since it uses less digits than its factorization.

121010000221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374431.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121010000221210 its reverse (12122000010121), we get a palindrome (133132000231331).

The spelling of 121010000221210 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 17 34 85 170 887 1774 2161 4322 4435 8870 10805 15079 21610 30158 36737 73474 75395 150790 183685 367370 371359 742718 1856795 1916807 3713590 3833614 6313103 9584035 12626206 19168070 31565515 32585719 63131030 65171438 162928595 325857190 329395433 658790866 802506799 1605013598 1646977165 3293954330 4012533995 5599722361 8025067990 11199444722 13642615583 27285231166 27998611805 55997223610 68213077915 136426155830 711823530713 1423647061426 3559117653565 7118235307130 12101000022121 24202000044242 60505000110605 121010000221210