12420440000413 has 4 divisors (see below), whose sum is σ = 12848731034940. Its totient is φ = 11992148965888.

The previous prime is 12420440000411. The next prime is 12420440000459. The reversal of 12420440000413 is 31400004402421.

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 8877318947289 + 3543121053124 = 2979483^2 + 1882318^2 .

It is a cyclic number.

It is not a de Polignac number, because 12420440000413 - 2¹ = 12420440000411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420440000411) 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, 214145517220 + ... + 214145517277.

It is an arithmetic number, because the mean of its divisors is an integer number (3212182758735).

Almost surely, 2^{12420440000413} is an apocalyptic number.

It is an amenable number.

12420440000413 is a deficient number, since it is larger than the sum of its proper divisors (428291034527).

12420440000413 is an equidigital number, since it uses as much as digits as its factorization.

12420440000413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428291034526.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12420440000413 its reverse (31400004402421), we get a palindrome (43820444402834).

The spelling of 12420440000413 in words is "twelve trillion, four hundred twenty billion, four hundred forty million, four hundred thirteen", and thus it is an aban number.