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2012202010021 = 7346147830449
BaseRepresentation
bin11101010010000000100…
…101100000010110100101
321010100211211002011222011
4131102000211200112211
5230431442203310041
64140220504234221
7265243145610220
oct35220045402645
97110754064864
102012202010021
11706408638595
12285b8a46b971
13117999508048
146d5692545b7
153751e352e81
hex1d4809605a5

2012202010021 has 8 divisors (see below), whose sum is σ = 2299668852800. Its totient is φ = 1724737520448.

The previous prime is 2012202010009. The next prime is 2012202010099. The reversal of 2012202010021 is 1200102022102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2012202010021 - 27 = 2012202009893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012202009983 and 2012202010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012202010121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2007805 + ... + 2838253.

It is an arithmetic number, because the mean of its divisors is an integer number (287458606600).

Almost surely, 22012202010021 is an apocalyptic number.

It is an amenable number.

2012202010021 is a deficient number, since it is larger than the sum of its proper divisors (287466842779).

2012202010021 is an equidigital number, since it uses as much as digits as its factorization.

2012202010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176603.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2012202010021 its reverse (1200102022102), we get a palindrome (3212304032123).

The spelling of 2012202010021 in words is "two trillion, twelve billion, two hundred two million, ten thousand, twenty-one".

Divisors: 1 7 346147 830449 2423029 5813143 287457430003 2012202010021