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12220122000220 = 2251223499596157
BaseRepresentation
bin1011000111010011100000…
…0001111110101101011100
31121021020021022110022101021
42301310320001332231130
53100203302213001340
641553502504253524
72400606005105131
oct261647001765534
947236238408337
1012220122000220
113991585322652
1214544121712a4
136a8477760b64
14303658262588
15162d17bade4a
hexb1d3807eb5c

12220122000220 has 24 divisors (see below), whose sum is σ = 25683239290464. Its totient is φ = 4884052021056.

The previous prime is 12220122000217. The next prime is 12220122000239. The reversal of 12220122000220 is 2200022102221.

It is a junction number, because it is equal to n+sod(n) for n = 12220122000194 and 12220122000203.

It is a congruent number.

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, 249773619 + ... + 249822538.

It is an arithmetic number, because the mean of its divisors is an integer number (1070134970436).

Almost surely, 212220122000220 is an apocalyptic number.

12220122000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220122000220 is an abundant number, since it is smaller than the sum of its proper divisors (13463117290244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220122000220 is a wasteful number, since it uses less digits than its factorization.

12220122000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499597389 (or 499597387 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12220122000220 its reverse (2200022102221), we get a palindrome (14420144102441).

The spelling of 12220122000220 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-two million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 1223 2446 4892 6115 12230 24460 499596157 999192314 1998384628 2497980785 4995961570 9991923140 611006100011 1222012200022 2444024400044 3055030500055 6110061000110 12220122000220