2041212403209 has 16 divisors (see below), whose sum is σ = 3119331286400. Its totient is φ = 1163064942720.

The previous prime is 2041212403171. The next prime is 2041212403253. The reversal of 2041212403209 is 9023042121402.

It is not a de Polignac number, because 2041212403209 - 2¹² = 2041212399113 is a prime.

It is a super-2 number, since 2×2041212403209² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2041212403289) 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 15 ways as a sum of consecutive naturals, for example, 139248532 + ... + 139263189.

It is an arithmetic number, because the mean of its divisors is an integer number (194958205400).

Almost surely, 2^{2041212403209} is an apocalyptic number.

It is an amenable number.

2041212403209 is a deficient number, since it is larger than the sum of its proper divisors (1078118883191).

2041212403209 is a wasteful number, since it uses less digits than its factorization.

2041212403209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278512080.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 2041212403209 in words is "two trillion, forty-one billion, two hundred twelve million, four hundred three thousand, two hundred nine".