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12202220200020 = 22351731175551079
BaseRepresentation
bin1011000110010000110100…
…0000000010000001010100
31121012112001201001122011020
42301210031000002001110
53044410121332400040
641541342250441140
72366403251236614
oct261441500020124
947175051048136
1012202220200020
113984a29212154
121450a56a331b0
136a6883993886
1430283a8b8a44
1516261b251cd0
hexb190d002054

12202220200020 has 48 divisors (see below), whose sum is σ = 34363709170560. Its totient is φ = 3235116566656.

The previous prime is 12202220200019. The next prime is 12202220200033. The reversal of 12202220200020 is 2000202220221.

It is a super-2 number, since 2×122022202000202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587765160 + ... + 587785919.

It is an arithmetic number, because the mean of its divisors is an integer number (715910607720).

Almost surely, 212202220200020 is an apocalyptic number.

12202220200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202220200020 is an abundant number, since it is smaller than the sum of its proper divisors (22161488970540).

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

12202220200020 is a wasteful number, since it uses less digits than its factorization.

12202220200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175551264 (or 1175551262 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 12202220200020 its reverse (2000202220221), we get a palindrome (14202422420241).

The spelling of 12202220200020 in words is "twelve trillion, two hundred two billion, two hundred twenty million, two hundred thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 173 346 519 692 865 1038 1730 2076 2595 3460 5190 10380 1175551079 2351102158 3526653237 4702204316 5877755395 7053306474 11755510790 14106612948 17633266185 23511021580 35266532370 70533064740 203370336667 406740673334 610111010001 813481346668 1016851683335 1220222020002 2033703366670 2440444040004 3050555050005 4067406733340 6101110100010 12202220200020