63450211272012 has 72 divisors (see below), whose sum is σ = 161010969575456. Its totient is φ = 21067966750464.

The previous prime is 63450211271987. The next prime is 63450211272013. The reversal of 63450211272012 is 21027211205436.

63450211272012 is a `hidden beast` number, since 6 + 3 + 4 + 502 + 1 + 127 + 20 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (63450211272013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35760993 + ... + 37493319.

Almost surely, 2^{63450211272012} is an apocalyptic number.

It is an amenable number.

63450211272012 is an abundant number, since it is smaller than the sum of its proper divisors (97560758303444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63450211272012 is a wasteful number, since it uses less digits than its factorization.

63450211272012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736287 (or 1736282 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 63450211272012 its reverse (21027211205436), we get a palindrome (84477422477448).

The spelling of 63450211272012 in words is "sixty-three trillion, four hundred fifty billion, two hundred eleven million, two hundred seventy-two thousand, twelve".