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121230324141252 = 22310102527011771
BaseRepresentation
bin11011100100001000100010…
…011010000000110011000100
3120220020111122201201010111120
4123210020202122000303010
5111342214200440010002
61105500235253033540
734351413305633244
oct3344104232006304
9526214581633446
10121230324141252
113569a545567467
121171b2ba3258b0
135284c802aa911
1421d1816a9bb24
15e0372b646cbc
hex6e4222680cc4

121230324141252 has 12 divisors (see below), whose sum is σ = 282870756329616. Its totient is φ = 40410108047080.

The previous prime is 121230324141239. The next prime is 121230324141253. The reversal of 121230324141252 is 252141423032121.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (121230324141253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5051263505874 + ... + 5051263505897.

It is an arithmetic number, because the mean of its divisors is an integer number (23572563027468).

Almost surely, 2121230324141252 is an apocalyptic number.

121230324141252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121230324141252 is an abundant number, since it is smaller than the sum of its proper divisors (161640432188364).

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

121230324141252 is a wasteful number, since it uses less digits than its factorization.

121230324141252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10102527011778 (or 10102527011776 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 121230324141252 its reverse (252141423032121), we get a palindrome (373371747173373).

The spelling of 121230324141252 in words is "one hundred twenty-one trillion, two hundred thirty billion, three hundred twenty-four million, one hundred forty-one thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 10102527011771 20205054023542 30307581035313 40410108047084 60615162070626 121230324141252