12462021403 has 4 divisors (see below), whose sum is σ = 13420638448. Its totient is φ = 11503404360.

The previous prime is 12462021401. The next prime is 12462021469. The reversal of 12462021403 is 30412026421.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12462021403 - 2¹ = 12462021401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12462021401) 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, 479308503 + ... + 479308528.

It is an arithmetic number, because the mean of its divisors is an integer number (3355159612).

Almost surely, 2^12462021403 is an apocalyptic number.

12462021403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12462021403 is a deficient number, since it is larger than the sum of its proper divisors (958617045).

12462021403 is an equidigital number, since it uses as much as digits as its factorization.

12462021403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958617044.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12462021403 its reverse (30412026421), we get a palindrome (42874047824).

The spelling of 12462021403 in words is "twelve billion, four hundred sixty-two million, twenty-one thousand, four hundred three".