1220100303124 has 6 divisors (see below), whose sum is σ = 2135175530474. Its totient is φ = 610050151560.

The previous prime is 1220100303119. The next prime is 1220100303137. The reversal of 1220100303124 is 4213030010221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 854718740100 + 365381563024 = 924510^2 + 604468^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152512537887 + ... + 152512537894.

Almost surely, 2^{1220100303124} is an apocalyptic number.

It is an amenable number.

1220100303124 is a deficient number, since it is larger than the sum of its proper divisors (915075227350).

1220100303124 is a wasteful number, since it uses less digits than its factorization.

1220100303124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305025075785 (or 305025075783 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1220100303124 its reverse (4213030010221), we get a palindrome (5433130313345).

The spelling of 1220100303124 in words is "one trillion, two hundred twenty billion, one hundred million, three hundred three thousand, one hundred twenty-four".