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12202231210 = 251393863317
BaseRepresentation
bin10110101110100111…
…10100010110101010
31011111101122120102021
423113103310112222
5144442232344320
65334452055054
7611245153051
oct132723642652
934441576367
1012202231210
1151a1928a04
12244660448a
1311c6020570
1483a821398
154b63badaa
hex2d74f45aa

12202231210 has 16 divisors (see below), whose sum is σ = 23653556136. Its totient is φ = 4505439168.

The previous prime is 12202231207. The next prime is 12202231229. The reversal of 12202231210 is 1213220221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7029313281 + 5172917929 = 83841^2 + 71923^2 .

It is a super-3 number, since 3×122022312103 (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46931529 + ... + 46931788.

Almost surely, 212202231210 is an apocalyptic number.

12202231210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12202231210 is a deficient number, since it is larger than the sum of its proper divisors (11451324926).

12202231210 is a wasteful number, since it uses less digits than its factorization.

12202231210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93863337.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12202231210 its reverse (1213220221), we get a palindrome (13415451431).

The spelling of 12202231210 in words is "twelve billion, two hundred two million, two hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 5 10 13 26 65 130 93863317 187726634 469316585 938633170 1220223121 2440446242 6101115605 12202231210