1212012203030 has 32 divisors (see below), whose sum is σ = 2191343289120. Its totient is φ = 482646712320.

The previous prime is 1212012203021. The next prime is 1212012203099. The reversal of 1212012203030 is 303022102121.

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, 4465925 + ... + 4729535.

It is an arithmetic number, because the mean of its divisors is an integer number (68479477785).

Almost surely, 2^{1212012203030} is an apocalyptic number.

1212012203030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212012203030 is a deficient number, since it is larger than the sum of its proper divisors (979331086090).

1212012203030 is a wasteful number, since it uses less digits than its factorization.

1212012203030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265664.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1212012203030 its reverse (303022102121), we get a palindrome (1515034305151).

The spelling of 1212012203030 in words is "one trillion, two hundred twelve billion, twelve million, two hundred three thousand, thirty".