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121231233323230 = 2564763187192121
BaseRepresentation
bin11011100100001001011000…
…100110010001000011011110
3120220020121000002111100201011
4123210021120212101003132
5111342223031212320410
61105500505412005434
734351444655563462
oct3344113046210336
9526217002440634
10121231233323230
113569a9717a0328
121171b51290087a
13528509676a714
1421d18a17284a2
15e0378138918a
hex6e42589910de

121231233323230 has 16 divisors (see below), whose sum is σ = 218219590605744. Its totient is φ = 48491744301760.

The previous prime is 121231233323201. The next prime is 121231233323243. The reversal of 121231233323230 is 32323332132121.

It is a junction number, because it is equal to n+sod(n) for n = 121231233323192 and 121231233323201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92948431 + ... + 94243690.

It is an arithmetic number, because the mean of its divisors is an integer number (13638724412859).

Almost surely, 2121231233323230 is an apocalyptic number.

121231233323230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121231233323230 is a deficient number, since it is larger than the sum of its proper divisors (96988357282514).

121231233323230 is a wasteful number, since it uses less digits than its factorization.

121231233323230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187256891.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 121231233323230 its reverse (32323332132121), we get a palindrome (153554565455351).

The spelling of 121231233323230 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, two hundred thirty-three million, three hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 64763 129526 323815 647630 187192121 374384242 935960605 1871921210 12123123332323 24246246664646 60615616661615 121231233323230