451451145212 has 12 divisors (see below), whose sum is σ = 790046245800. Its totient is φ = 225723646416.

The previous prime is 451451145139. The next prime is 451451145227. The reversal of 451451145212 is 212541154154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132914 + ... + 959462.

It is an arithmetic number, because the mean of its divisors is an integer number (65837187150).

Almost surely, 2^451451145212 is an apocalyptic number.

It is an amenable number.

451451145212 is a deficient number, since it is larger than the sum of its proper divisors (338595100588).

451451145212 is a wasteful number, since it uses less digits than its factorization.

451451145212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963100 (or 963098 counting only the distinct ones).

The product of its digits is 32000, while the sum is 35.

Adding to 451451145212 its reverse (212541154154), we get a palindrome (663992299366).

The spelling of 451451145212 in words is "four hundred fifty-one billion, four hundred fifty-one million, one hundred forty-five thousand, two hundred twelve".