451361013212 has 24 divisors (see below), whose sum is σ = 836488939104. Its totient is φ = 212368730112.

The previous prime is 451361013197. The next prime is 451361013221. The reversal of 451361013212 is 212310163154.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168368 + ... + 964919.

It is an arithmetic number, because the mean of its divisors is an integer number (34853705796).

Almost surely, 2^451361013212 is an apocalyptic number.

It is an amenable number.

451361013212 is a deficient number, since it is larger than the sum of its proper divisors (385127925892).

451361013212 is a wasteful number, since it uses less digits than its factorization.

451361013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139165 (or 1139163 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 451361013212 its reverse (212310163154), we get a palindrome (663671176366).

The spelling of 451361013212 in words is "four hundred fifty-one billion, three hundred sixty-one million, thirteen thousand, two hundred twelve".