63851006481212 has 48 divisors (see below), whose sum is σ = 112590949363200. Its totient is φ = 31683302967360.

The previous prime is 63851006481181. The next prime is 63851006481239. The reversal of 63851006481212 is 21218460015836.

63851006481212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 312416537 + ... + 312620847.

It is an arithmetic number, because the mean of its divisors is an integer number (2345644778400).

Almost surely, 2^{63851006481212} is an apocalyptic number.

It is an amenable number.

63851006481212 is a deficient number, since it is larger than the sum of its proper divisors (48739942881988).

63851006481212 is a wasteful number, since it uses less digits than its factorization.

63851006481212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205706 (or 205704 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 63851006481212 in words is "sixty-three trillion, eight hundred fifty-one billion, six million, four hundred eighty-one thousand, two hundred twelve".