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121212130002 = 2320202021667
BaseRepresentation
bin111000011100011001…
…1100101001011010010
3102120212111000012021020
41300320303211023102
53441220301130002
6131403432340310
711520515051055
oct1607063451322
9376774005236
10121212130002
11474510a6357
121b5a9844696
13b579367a62
145c1c312a9c
1532465da2bc
hex1c38ce52d2

121212130002 has 8 divisors (see below), whose sum is σ = 242424260016. Its totient is φ = 40404043332.

The previous prime is 121212129989. The next prime is 121212130027. The reversal of 121212130002 is 200031212121.

It is a sphenic number, since it is the product of 3 distinct primes.

121212130002 is an admirable 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, 10101010828 + ... + 10101010839.

It is an arithmetic number, because the mean of its divisors is an integer number (30303032502).

Almost surely, 2121212130002 is an apocalyptic number.

121212130002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121212130002 is a wasteful number, since it uses less digits than its factorization.

121212130002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20202021672.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121212130002 its reverse (200031212121), we get a palindrome (321243342123).

The spelling of 121212130002 in words is "one hundred twenty-one billion, two hundred twelve million, one hundred thirty thousand, two".

Divisors: 1 2 3 6 20202021667 40404043334 60606065001 121212130002