12462021434 has 4 divisors (see below), whose sum is σ = 18693032154. Its totient is φ = 6231010716.

The previous prime is 12462021401. The next prime is 12462021469. The reversal of 12462021434 is 43412026421.

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

It can be written as a sum of positive squares in only one way, i.e., 12136327225 + 325694209 = 110165^2 + 18047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12462021397 and 12462021406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3115505357 + ... + 3115505360.

Almost surely, 2^12462021434 is an apocalyptic number.

12462021434 is a deficient number, since it is larger than the sum of its proper divisors (6231010720).

12462021434 is an equidigital number, since it uses as much as digits as its factorization.

12462021434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6231010719.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 12462021434 its reverse (43412026421), we get a palindrome (55874047855).

The spelling of 12462021434 in words is "twelve billion, four hundred sixty-two million, twenty-one thousand, four hundred thirty-four".