121063630212 has 192 divisors, whose sum is σ = 363279168000. Its totient is φ = 34149924864.

The previous prime is 121063630211. The next prime is 121063630217. The reversal of 121063630212 is 212036360121.

121063630212 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 6 + 3 + 630 + 21 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (121063630211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85920964 + ... + 85922372.

It is an arithmetic number, because the mean of its divisors is an integer number (1892079000).

Almost surely, 2^121063630212 is an apocalyptic number.

121063630212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121063630212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181639584000).

121063630212 is an abundant number, since it is smaller than the sum of its proper divisors (242215537788).

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

121063630212 is a wasteful number, since it uses less digits than its factorization.

121063630212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795 (or 2787 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 121063630212 its reverse (212036360121), we get a palindrome (333099990333).

The spelling of 121063630212 in words is "one hundred twenty-one billion, sixty-three million, six hundred thirty thousand, two hundred twelve".