1230312231212 has 12 divisors (see below), whose sum is σ = 2157163131816. Its totient is φ = 613979907840.

The previous prime is 1230312231193. The next prime is 1230312231227. The reversal of 1230312231212 is 2121322130321.

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, 294049589 + ... + 294053772.

It is an arithmetic number, because the mean of its divisors is an integer number (179763594318).

Almost surely, 2^{1230312231212} is an apocalyptic number.

It is an amenable number.

1230312231212 is a deficient number, since it is larger than the sum of its proper divisors (926850900604).

1230312231212 is a wasteful number, since it uses less digits than its factorization.

1230312231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588103888 (or 588103886 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1230312231212 its reverse (2121322130321), we get a palindrome (3351634361533).

The spelling of 1230312231212 in words is "one trillion, two hundred thirty billion, three hundred twelve million, two hundred thirty-one thousand, two hundred twelve".