451131303212 has 6 divisors (see below), whose sum is σ = 789479780628. Its totient is φ = 225565651604.

The previous prime is 451131303209. The next prime is 451131303221. The reversal of 451131303212 is 212303131154.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56391412898 + ... + 56391412905.

It is an arithmetic number, because the mean of its divisors is an integer number (131579963438).

Almost surely, 2^451131303212 is an apocalyptic number.

It is an amenable number.

451131303212 is a deficient number, since it is larger than the sum of its proper divisors (338348477416).

451131303212 is a wasteful number, since it uses less digits than its factorization.

451131303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112782825807 (or 112782825805 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 451131303212 its reverse (212303131154), we get a palindrome (663434434366).

The spelling of 451131303212 in words is "four hundred fifty-one billion, one hundred thirty-one million, three hundred three thousand, two hundred twelve".