63157018012 has 24 divisors (see below), whose sum is σ = 120850983792. Its totient is φ = 28641427200.

The previous prime is 63157017983. The next prime is 63157018069. The reversal of 63157018012 is 21081075136.

It is a happy number.

It is a super-3 number, since 3×63157018012³ (a number of 33 digits) contains 333 as substring.

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, 1638439 + ... + 1676542.

It is an arithmetic number, because the mean of its divisors is an integer number (5035457658).

Almost surely, 2^63157018012 is an apocalyptic number.

It is an amenable number.

63157018012 is a deficient number, since it is larger than the sum of its proper divisors (57693965780).

63157018012 is a wasteful number, since it uses less digits than its factorization.

63157018012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315429 (or 3315427 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 63157018012 in words is "sixty-three billion, one hundred fifty-seven million, eighteen thousand, twelve".