1220103100232 has 8 divisors (see below), whose sum is σ = 2287693312950. Its totient is φ = 610051550112.

The previous prime is 1220103100219. The next prime is 1220103100247. The reversal of 1220103100232 is 2320013010221.

It can be written as a sum of positive squares in only one way, i.e., 1135064375236 + 85038724996 = 1065394^2 + 291614^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1220103100232.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76256443757 + ... + 76256443772.

Almost surely, 2^{1220103100232} is an apocalyptic number.

It is an amenable number.

1220103100232 is a deficient number, since it is larger than the sum of its proper divisors (1067590212718).

1220103100232 is a wasteful number, since it uses less digits than its factorization.

1220103100232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152512887535 (or 152512887531 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1220103100232 its reverse (2320013010221), we get a palindrome (3540116110453).

The spelling of 1220103100232 in words is "one trillion, two hundred twenty billion, one hundred three million, one hundred thousand, two hundred thirty-two".