12451356622 has 4 divisors (see below), whose sum is σ = 18677034936. Its totient is φ = 6225678310.

The previous prime is 12451356601. The next prime is 12451356629. The reversal of 12451356622 is 22665315421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22665315421 = 7 ⋅3237902203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12451356629) 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 as a sum of consecutive naturals, namely, 3112839154 + ... + 3112839157.

It is an arithmetic number, because the mean of its divisors is an integer number (4669258734).

Almost surely, 2^12451356622 is an apocalyptic number.

12451356622 is a deficient number, since it is larger than the sum of its proper divisors (6225678314).

12451356622 is an equidigital number, since it uses as much as digits as its factorization.

12451356622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6225678313.

The product of its digits is 86400, while the sum is 37.

The spelling of 12451356622 in words is "twelve billion, four hundred fifty-one million, three hundred fifty-six thousand, six hundred twenty-two".