3412512121021 has 4 divisors (see below), whose sum is σ = 3414633012700. Its totient is φ = 3410391229344.

The previous prime is 3412512121019. The next prime is 3412512121121. The reversal of 3412512121021 is 1201212152143.

3412512121021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2360174673796 + 1052337447225 = 1536286^2 + 1025835^2 .

It is a cyclic number.

It is not a de Polignac number, because 3412512121021 - 2¹ = 3412512121019 is a prime.

It is a super-2 number, since 2×3412512121021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3412512121121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060443426 + ... + 1060446643.

It is an arithmetic number, because the mean of its divisors is an integer number (853658253175).

Almost surely, 2^{3412512121021} is an apocalyptic number.

It is an amenable number.

3412512121021 is a deficient number, since it is larger than the sum of its proper divisors (2120891679).

3412512121021 is a wasteful number, since it uses less digits than its factorization.

3412512121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120891678.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 3412512121021 its reverse (1201212152143), we get a palindrome (4613724273164).

The spelling of 3412512121021 in words is "three trillion, four hundred twelve billion, five hundred twelve million, one hundred twenty-one thousand, twenty-one".