450145016212 has 24 divisors (see below), whose sum is σ = 822138613632. Its totient is φ = 215251476000.

The previous prime is 450145016197. The next prime is 450145016341. The reversal of 450145016212 is 212610541054.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168162 + ... + 963622.

It is an arithmetic number, because the mean of its divisors is an integer number (34255775568).

Almost surely, 2^450145016212 is an apocalyptic number.

It is an amenable number.

450145016212 is a deficient number, since it is larger than the sum of its proper divisors (371993597420).

450145016212 is a wasteful number, since it uses less digits than its factorization.

450145016212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801639 (or 801637 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 450145016212 its reverse (212610541054), we get a palindrome (662755557266).

The spelling of 450145016212 in words is "four hundred fifty billion, one hundred forty-five million, sixteen thousand, two hundred twelve".