1220312332012 has 12 divisors (see below), whose sum is σ = 2148648094936. Its totient is φ = 606412876320.

The previous prime is 1220312331947. The next prime is 1220312332027. The reversal of 1220312332012 is 2102332130221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935821689 + ... + 935822992.

Almost surely, 2^{1220312332012} is an apocalyptic number.

It is an amenable number.

1220312332012 is a deficient number, since it is larger than the sum of its proper divisors (928335762924).

1220312332012 is a wasteful number, since it uses less digits than its factorization.

1220312332012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871644848 (or 1871644846 counting only the distinct ones).

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

Adding to 1220312332012 its reverse (2102332130221), we get a palindrome (3322644462233).

The spelling of 1220312332012 in words is "one trillion, two hundred twenty billion, three hundred twelve million, three hundred thirty-two thousand, twelve".