1213004310212 has 12 divisors (see below), whose sum is σ = 2180129368620. Its totient is φ = 590110204896.

The previous prime is 1213004310191. The next prime is 1213004310233. The reversal of 1213004310212 is 2120134003121.

It is an interprime number because it is at equal distance from previous prime (1213004310191) and next prime (1213004310233).

It can be written as a sum of positive squares in 2 ways, for example, as 701198565376 + 511805744836 = 837376^2 + 715406^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4097987387 + ... + 4097987682.

It is an arithmetic number, because the mean of its divisors is an integer number (181677447385).

Almost surely, 2^{1213004310212} is an apocalyptic number.

It is an amenable number.

1213004310212 is a deficient number, since it is larger than the sum of its proper divisors (967125058408).

1213004310212 is a wasteful number, since it uses less digits than its factorization.

1213004310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8195975110 (or 8195975108 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1213004310212 its reverse (2120134003121), we get a palindrome (3333138313333).

The spelling of 1213004310212 in words is "one trillion, two hundred thirteen billion, four million, three hundred ten thousand, two hundred twelve".