1220522514312 has 64 divisors (see below), whose sum is σ = 3067658035200. Its totient is φ = 404661130560.

The previous prime is 1220522514269. The next prime is 1220522514329. The reversal of 1220522514312 is 2134152250221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220522514312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71588973 + ... + 71606019.

It is an arithmetic number, because the mean of its divisors is an integer number (47932156800).

Almost surely, 2^{1220522514312} is an apocalyptic number.

1220522514312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220522514312 is an abundant number, since it is smaller than the sum of its proper divisors (1847135520888).

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

1220522514312 is a wasteful number, since it uses less digits than its factorization.

1220522514312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32866 (or 32862 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1220522514312 its reverse (2134152250221), we get a palindrome (3354674764533).

The spelling of 1220522514312 in words is "one trillion, two hundred twenty billion, five hundred twenty-two million, five hundred fourteen thousand, three hundred twelve".