12412020413 has 4 divisors (see below), whose sum is σ = 13366791228. Its totient is φ = 11457249600.

The previous prime is 12412020409. The next prime is 12412020431. The reversal of 12412020413 is 31402021421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31402021421 = 73 ⋅430164677.

It can be written as a sum of positive squares in 2 ways, for example, as 6056263684 + 6355756729 = 77822^2 + 79723^2 .

It is a cyclic number.

It is not a de Polignac number, because 12412020413 - 2² = 12412020409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12412020463) 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, 477385388 + ... + 477385413.

It is an arithmetic number, because the mean of its divisors is an integer number (3341697807).

Almost surely, 2^12412020413 is an apocalyptic number.

12412020413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12412020413 is a deficient number, since it is larger than the sum of its proper divisors (954770815).

12412020413 is an equidigital number, since it uses as much as digits as its factorization.

12412020413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954770814.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12412020413 its reverse (31402021421), we get a palindrome (43814041834).

The spelling of 12412020413 in words is "twelve billion, four hundred twelve million, twenty thousand, four hundred thirteen".