1212003230210 has 16 divisors (see below), whose sum is σ = 2201620548600. Its totient is φ = 480353573376.

The previous prime is 1212003230197. The next prime is 1212003230213. The reversal of 1212003230210 is 120323002121.

It can be written as a sum of positive squares in 4 ways, for example, as 700768220161 + 511235010049 = 837119^2 + 715007^2 .

It is not an unprimeable number, because it can be changed into a prime (1212003230213) 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 7 ways as a sum of consecutive naturals, for example, 555963695 + ... + 555965874.

Almost surely, 2^{1212003230210} is an apocalyptic number.

1212003230210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212003230210 is a deficient number, since it is larger than the sum of its proper divisors (989617318390).

1212003230210 is a wasteful number, since it uses less digits than its factorization.

1212003230210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111929685.

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

Adding to 1212003230210 its reverse (120323002121), we get a palindrome (1332326232331).

The spelling of 1212003230210 in words is "one trillion, two hundred twelve billion, three million, two hundred thirty thousand, two hundred ten".