412230172121 has 4 divisors (see below), whose sum is σ = 412275736500. Its totient is φ = 412184607744.

The previous prime is 412230172091. The next prime is 412230172139. The reversal of 412230172121 is 121271032214.

It is a happy number.

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 156183040000 + 256047132121 = 395200^2 + 506011^2 .

It is a cyclic number.

It is not a de Polignac number, because 412230172121 - 2¹⁴ = 412230155737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412230174121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22768616 + ... + 22786713.

It is an arithmetic number, because the mean of its divisors is an integer number (103068934125).

Almost surely, 2^412230172121 is an apocalyptic number.

It is an amenable number.

412230172121 is a deficient number, since it is larger than the sum of its proper divisors (45564379).

412230172121 is an equidigital number, since it uses as much as digits as its factorization.

412230172121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45564378.

The product of its (nonzero) digits is 1344, while the sum is 26.

The spelling of 412230172121 in words is "four hundred twelve billion, two hundred thirty million, one hundred seventy-two thousand, one hundred twenty-one".