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20120012021202 = 239533518714939
BaseRepresentation
bin1001001001100100011100…
…01010110101110111010010
32122020110021020020212010220
410210302032022311313102
510114121241034134302
6110443001140133510
74144423440252342
oct444621612656722
978213236225126
1020120012021202
116457938292935
12230b487397296
13b2c402b19932
144d7b57012d22
1524d57ae134bc
hex124c8e2b5dd2

20120012021202 has 16 divisors (see below), whose sum is σ = 40282248633120. Its totient is φ = 6699633241952.

The previous prime is 20120012021177. The next prime is 20120012021233. The reversal of 20120012021202 is 20212021002102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1759351752 + ... + 1759363187.

It is an arithmetic number, because the mean of its divisors is an integer number (2517640539570).

Almost surely, 220120012021202 is an apocalyptic number.

20120012021202 is an abundant number, since it is smaller than the sum of its proper divisors (20162236611918).

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

20120012021202 is a wasteful number, since it uses less digits than its factorization.

20120012021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518715897.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20120012021202 its reverse (20212021002102), we get a palindrome (40332033023304).

The spelling of 20120012021202 in words is "twenty trillion, one hundred twenty billion, twelve million, twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 953 1906 2859 5718 3518714939 7037429878 10556144817 21112289634 3353335336867 6706670673734 10060006010601 20120012021202