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130323121212 = 22331350330971
BaseRepresentation
bin111100101011111011…
…1010000010000111100
3110110101102221111121010
41321113313100100330
54113400204334322
6135511500435220
712262346152464
oct1712767202074
9413342844533
10130323121212
11502a7005959
1221310b48b10
13c39bb0960b
14644437aba4
1535cb3dd20c
hex1e57dd043c

130323121212 has 24 divisors (see below), whose sum is σ = 313896550912. Its totient is φ = 42039716400.

The previous prime is 130323121193. The next prime is 130323121219. The reversal of 130323121212 is 212121323031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130323121219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175165114 + ... + 175165857.

Almost surely, 2130323121212 is an apocalyptic number.

130323121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130323121212 is an abundant number, since it is smaller than the sum of its proper divisors (183573429700).

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

130323121212 is a wasteful number, since it uses less digits than its factorization.

130323121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350331009 (or 350331007 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 130323121212 its reverse (212121323031), we get a palindrome (342444444243).

The spelling of 130323121212 in words is "one hundred thirty billion, three hundred twenty-three million, one hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 350330971 700661942 1050992913 1401323884 2101985826 4203971652 10860260101 21720520202 32580780303 43441040404 65161560606 130323121212