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131202222442012 = 2259555941620517
BaseRepresentation
bin11101110101001111100101…
…110111001100011000011100
3122012112210212110122011001101
4131311033211313030120130
5114144104122421121022
61143013245141122444
736431022244643341
oct3565174567143034
9565483773564041
10131202222442012
1138894606151957
121286ba529b9424
13582941642b327
1424583159267c8
151027d0e435627
hex7753e5dcc61c

131202222442012 has 12 divisors (see below), whose sum is σ = 233495480617560. Its totient is φ = 64489227979856.

The previous prime is 131202222441973. The next prime is 131202222442103. The reversal of 131202222442012 is 210244222202131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277970810023 + ... + 277970810494.

It is an arithmetic number, because the mean of its divisors is an integer number (19457956718130).

Almost surely, 2131202222442012 is an apocalyptic number.

It is an amenable number.

131202222442012 is a deficient number, since it is larger than the sum of its proper divisors (102293258175548).

131202222442012 is a wasteful number, since it uses less digits than its factorization.

131202222442012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555941620580 (or 555941620578 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 131202222442012 its reverse (210244222202131), we get a palindrome (341446444644143).

The spelling of 131202222442012 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred twenty-two million, four hundred forty-two thousand, twelve".

Divisors: 1 2 4 59 118 236 555941620517 1111883241034 2223766482068 32800555610503 65601111221006 131202222442012