1213003232212 has 12 divisors (see below), whose sum is σ = 2122990511796. Its totient is φ = 606434514560.

The previous prime is 1213003232141. The next prime is 1213003232251. The reversal of 1213003232212 is 2122323003121.

It can be written as a sum of positive squares in 2 ways, for example, as 1043511282576 + 169491949636 = 1021524^2 + 411694^2 .

It is a congruent number.

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, 16734703 + ... + 16807030.

It is an arithmetic number, because the mean of its divisors is an integer number (176915875983).

Almost surely, 2^{1213003232212} is an apocalyptic number.

It is an amenable number.

1213003232212 is a deficient number, since it is larger than the sum of its proper divisors (909987279584).

1213003232212 is a wasteful number, since it uses less digits than its factorization.

1213003232212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33550778 (or 33550776 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1213003232212 its reverse (2122323003121), we get a palindrome (3335326235333).

The spelling of 1213003232212 in words is "one trillion, two hundred thirteen billion, three million, two hundred thirty-two thousand, two hundred twelve".