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213102002220012 = 223244571328135531
BaseRepresentation
bin110000011101000010101101…
…001001001010101111101100
31000221112100111221022020121100
4300131002231021022233230
5210412430400032020022
62033121412555403100
762613053162543643
oct6035025511125754
91027470457266540
10213102002220012
11619a0062771724
121ba98719453490
1391ba5814ca6a9
143a8a29898235a
1519984136111ac
hexc1d0ad24abec

213102002220012 has 36 divisors (see below), whose sum is σ = 538795366350696. Its totient is φ = 71018063060160.

The previous prime is 213102002220007. The next prime is 213102002220097. The reversal of 213102002220012 is 210022200201312.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663907314 + ... + 664228217.

It is an arithmetic number, because the mean of its divisors is an integer number (14966537954186).

Almost surely, 2213102002220012 is an apocalyptic number.

It is an amenable number.

213102002220012 is an abundant number, since it is smaller than the sum of its proper divisors (325693364130684).

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

213102002220012 is a wasteful number, since it uses less digits than its factorization.

213102002220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328139998 (or 1328139993 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 213102002220012 its reverse (210022200201312), we get a palindrome (423124202421324).

The spelling of 213102002220012 in words is "two hundred thirteen trillion, one hundred two billion, two million, two hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 4457 8914 13371 17828 26742 40113 53484 80226 160452 1328135531 2656271062 3984406593 5312542124 7968813186 11953219779 15937626372 23906439558 47812879116 5919500061667 11839000123334 17758500185001 23678000246668 35517000370002 53275500555003 71034000740004 106551001110006 213102002220012