1220103032312 has 32 divisors (see below), whose sum is σ = 2306204827200. Its totient is φ = 605134946304.

The previous prime is 1220103032303. The next prime is 1220103032339. The reversal of 1220103032312 is 2132303010221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750113 + ... + 1732880.

It is an arithmetic number, because the mean of its divisors is an integer number (72068900850).

Almost surely, 2^{1220103032312} is an apocalyptic number.

It is an amenable number.

1220103032312 is a deficient number, since it is larger than the sum of its proper divisors (1086101794888).

1220103032312 is a wasteful number, since it uses less digits than its factorization.

1220103032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483495 (or 2483491 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1220103032312 its reverse (2132303010221), we get a palindrome (3352406042533).

The spelling of 1220103032312 in words is "one trillion, two hundred twenty billion, one hundred three million, thirty-two thousand, three hundred twelve".