1212485030912 has 176 divisors, whose sum is σ = 2568952641024. Its totient is φ = 571047936000.

The previous prime is 1212485030899. The next prime is 1212485030923. The reversal of 1212485030912 is 2190305842121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771791087 + ... + 771792657.

It is an arithmetic number, because the mean of its divisors is an integer number (14596321824).

Almost surely, 2^{1212485030912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212485030912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284476320512).

1212485030912 is an abundant number, since it is smaller than the sum of its proper divisors (1356467610112).

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

1212485030912 is a wasteful number, since it uses less digits than its factorization.

1212485030912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256 (or 2238 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 1212485030912 in words is "one trillion, two hundred twelve billion, four hundred eighty-five million, thirty thousand, nine hundred twelve".