1220302340012 has 54 divisors (see below), whose sum is σ = 2621815141932. Its totient is φ = 495461071728.

The previous prime is 1220302340011. The next prime is 1220302340051. The reversal of 1220302340012 is 2100432030221.

It is not an unprimeable number, because it can be changed into a prime (1220302340011) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8552558 + ... + 8694069.

It is an arithmetic number, because the mean of its divisors is an integer number (48552132258).

Almost surely, 2^{1220302340012} is an apocalyptic number.

It is an amenable number.

1220302340012 is an abundant number, since it is smaller than the sum of its proper divisors (1401512801920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220302340012 is a wasteful number, since it uses less digits than its factorization.

1220302340012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17246683 (or 17246655 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1220302340012 its reverse (2100432030221), we get a palindrome (3320734370233).

The spelling of 1220302340012 in words is "one trillion, two hundred twenty billion, three hundred two million, three hundred forty thousand, twelve".