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12020210120210 = 251202021012021
BaseRepresentation
bin1010111011101010110001…
…0110101011011000010010
31120120010021002222120210012
42232322230112223120102
53033414342242321320
641322001443034522
72350301004133535
oct256725426533022
946503232876705
1012020210120210
113914819279296
12142172006ba42
13692668785cb6
142d7ad1b5ca1c
1515ca173444c5
hexaeeac5ab612

12020210120210 has 8 divisors (see below), whose sum is σ = 21636378216396. Its totient is φ = 4808084048080.

The previous prime is 12020210120209. The next prime is 12020210120213. The reversal of 12020210120210 is 1202101202021.

It can be written as a sum of positive squares in 2 ways, for example, as 11186569904689 + 833640215521 = 3344633^2 + 913039^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12020210120213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 601010506001 + ... + 601010506020.

Almost surely, 212020210120210 is an apocalyptic number.

12020210120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020210120210 is a deficient number, since it is larger than the sum of its proper divisors (9616168096186).

12020210120210 is a wasteful number, since it uses less digits than its factorization.

12020210120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202021012028.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12020210120210 its reverse (1202101202021), we get a palindrome (13222311322231).

The spelling of 12020210120210 in words is "twelve trillion, twenty billion, two hundred ten million, one hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 10 1202021012021 2404042024042 6010105060105 12020210120210