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12021022320210 = 23251217109750957
BaseRepresentation
bin1010111011101101110011…
…0000111110011001010010
31120120012100201021121201200
42232323130300332121102
53033423023203221320
641322214215212030
72350330065541551
oct256733460763122
946505321247650
1012021022320210
1139150a5792162
121421908077016
13692767b1ac07
142d7b6b981d98
1515ca637cb290
hexaeedcc3e652

12021022320210 has 48 divisors (see below), whose sum is σ = 31280340041496. Its totient is φ = 3202971899904.

The previous prime is 12021022320163. The next prime is 12021022320269. The reversal of 12021022320210 is 1202322012021.

12021022320210 is a `hidden beast` number, since 1 + 2 + 0 + 210 + 223 + 20 + 210 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4283273134449 + 7737749185761 = 2069607^2 + 2781681^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54765949 + ... + 54985008.

Almost surely, 212021022320210 is an apocalyptic number.

12021022320210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021022320210 is an abundant number, since it is smaller than the sum of its proper divisors (19259317721286).

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

12021022320210 is a wasteful number, since it uses less digits than its factorization.

12021022320210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109752187 (or 109752184 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12021022320210 its reverse (1202322012021), we get a palindrome (13223344332231).

The spelling of 12021022320210 in words is "twelve trillion, twenty-one billion, twenty-two million, three hundred twenty thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1217 2434 3651 6085 7302 10953 12170 18255 21906 36510 54765 109530 109750957 219501914 329252871 548754785 658505742 987758613 1097509570 1646264355 1975517226 3292528710 4938793065 9877586130 133566914669 267133829338 400700744007 667834573345 801401488014 1202102232021 1335669146690 2003503720035 2404204464042 4007007440070 6010511160105 12021022320210