1220514331312 has 20 divisors (see below), whose sum is σ = 2369285393976. Its totient is φ = 609085842560.

The previous prime is 1220514331301. The next prime is 1220514331367. The reversal of 1220514331312 is 2131334150221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73199098 + ... + 73215769.

Almost surely, 2^{1220514331312} is an apocalyptic number.

It is an amenable number.

1220514331312 is a deficient number, since it is larger than the sum of its proper divisors (1148771062664).

1220514331312 is a wasteful number, since it uses less digits than its factorization.

1220514331312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146415396 (or 146415390 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 1220514331312 its reverse (2131334150221), we get a palindrome (3351848481533).

The spelling of 1220514331312 in words is "one trillion, two hundred twenty billion, five hundred fourteen million, three hundred thirty-one thousand, three hundred twelve".