1212030320330 has 32 divisors (see below), whose sum is σ = 2277032981328. Its totient is φ = 464063142400.

The previous prime is 1212030320323. The next prime is 1212030320351. The reversal of 1212030320330 is 330230302121.

It can be written as a sum of positive squares in 8 ways, for example, as 138259779889 + 1073770540441 = 371833^2 + 1036229^2 .

It is a super-2 number, since 2×1212030320330² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27866681 + ... + 27910140.

Almost surely, 2^{1212030320330} is an apocalyptic number.

1212030320330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212030320330 is a deficient number, since it is larger than the sum of its proper divisors (1065002660998).

1212030320330 is a wasteful number, since it uses less digits than its factorization.

1212030320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55776922.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1212030320330 its reverse (330230302121), we get a palindrome (1542260622451).

The spelling of 1212030320330 in words is "one trillion, two hundred twelve billion, thirty million, three hundred twenty thousand, three hundred thirty".