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12202020121210 = 253037401778733
BaseRepresentation
bin1011000110010000000100…
…0100110010101001111010
31121012111112202120120121221
42301210001010302221322
53044404214122334320
641541310342222254
72366365301503513
oct261440104625172
947174482516557
1012202020121210
113984936285a67
1214509bba2498a
136a68513ac74a
1430281c0b5a0a
151626088ce3aa
hexb1901132a7a

12202020121210 has 16 divisors (see below), whose sum is σ = 21970868290056. Its totient is φ = 4879200921408.

The previous prime is 12202020121199. The next prime is 12202020121259. The reversal of 12202020121210 is 1212102020221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12022217832249 + 179802288961 = 3467307^2 + 424031^2 .

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, 200858997 + ... + 200919736.

Almost surely, 212202020121210 is an apocalyptic number.

12202020121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12202020121210 is a deficient number, since it is larger than the sum of its proper divisors (9768848168846).

12202020121210 is a wasteful number, since it uses less digits than its factorization.

12202020121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401781777.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12202020121210 its reverse (1212102020221), we get a palindrome (13414122141431).

The spelling of 12202020121210 in words is "twelve trillion, two hundred two billion, twenty million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 3037 6074 15185 30370 401778733 803557466 2008893665 4017787330 1220202012121 2440404024242 6101010060605 12202020121210