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131210122012 = 2232802530503
BaseRepresentation
bin111101000110010111…
…0111001001100011100
3110112200020222210221121
41322030232321030130
54122204242401022
6140135504140324
712323336430604
oct1721456711434
9415606883847
10131210122012
1150711769772
122151a0076a4
13c4b0801268
1464ca0b1c04
15362e1ed2c7
hex1e8cbb931c

131210122012 has 6 divisors (see below), whose sum is σ = 229617713528. Its totient is φ = 65605061004.

The previous prime is 131210122003. The next prime is 131210122031. The reversal of 131210122012 is 210221012131.

It is a super-2 number, since 2×1312101220122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16401265248 + ... + 16401265255.

Almost surely, 2131210122012 is an apocalyptic number.

It is an amenable number.

131210122012 is a deficient number, since it is larger than the sum of its proper divisors (98407591516).

131210122012 is a wasteful number, since it uses less digits than its factorization.

131210122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32802530507 (or 32802530505 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 131210122012 its reverse (210221012131), we get a palindrome (341431134143).

The spelling of 131210122012 in words is "one hundred thirty-one billion, two hundred ten million, one hundred twenty-two thousand, twelve".

Divisors: 1 2 4 32802530503 65605061006 131210122012