12421673026 has 16 divisors (see below), whose sum is σ = 21295768896. Its totient is φ = 5323206096.

The previous prime is 12421673009. The next prime is 12421673039. The reversal of 12421673026 is 62037612421.

It is a junction number, because it is equal to n+sod(n) for n = 12421672982 and 12421673000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308005 + ... + 345991.

It is an arithmetic number, because the mean of its divisors is an integer number (1330985556).

Almost surely, 2^12421673026 is an apocalyptic number.

12421673026 is a deficient number, since it is larger than the sum of its proper divisors (8874095870).

12421673026 is a wasteful number, since it uses less digits than its factorization.

12421673026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61353.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 12421673026 in words is "twelve billion, four hundred twenty-one million, six hundred seventy-three thousand, twenty-six".