63147621212 has 24 divisors (see below), whose sum is σ = 119028611856. Its totient is φ = 29140247808.

The previous prime is 63147621157. The next prime is 63147621241. The reversal of 63147621212 is 21212674136.

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, 228323 + ... + 422405.

It is an arithmetic number, because the mean of its divisors is an integer number (4959525494).

Almost surely, 2^63147621212 is an apocalyptic number.

It is an amenable number.

63147621212 is a deficient number, since it is larger than the sum of its proper divisors (55880990644).

63147621212 is a wasteful number, since it uses less digits than its factorization.

63147621212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200357 (or 200355 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The spelling of 63147621212 in words is "sixty-three billion, one hundred forty-seven million, six hundred twenty-one thousand, two hundred twelve".