1212330300000 has 144 divisors (see below), whose sum is σ = 3977705191824. Its totient is φ = 323288000000.

The previous prime is 1212330299977. The next prime is 1212330300007. The reversal of 1212330300000 is 30332121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212330300007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1720551 + ... + 2320550.

It is an arithmetic number, because the mean of its divisors is an integer number (27622952721).

Almost surely, 2^{1212330300000} is an apocalyptic number.

1212330300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212330300000 is an abundant number, since it is smaller than the sum of its proper divisors (2765374891824).

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

1212330300000 is an frugal number, since it uses more digits than its factorization.

1212330300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041139 (or 4041111 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1212330300000 its reverse (30332121), we get a palindrome (1212360632121).

The spelling of 1212330300000 in words is "one trillion, two hundred twelve billion, three hundred thirty million, three hundred thousand".