1220231300103 has 12 divisors (see below), whose sum is σ = 1763228831208. Its totient is φ = 813177144720.

The previous prime is 1220231300087. The next prime is 1220231300117. The reversal of 1220231300103 is 3010031320221.

1220231300103 is a `hidden beast` number, since 12 + 20 + 231 + 300 + 103 = 666.

It is not a de Polignac number, because 1220231300103 - 2⁴ = 1220231300087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220231300203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25840825 + ... + 25888002.

It is an arithmetic number, because the mean of its divisors is an integer number (146935735934).

Almost surely, 2^{1220231300103} is an apocalyptic number.

1220231300103 is a deficient number, since it is larger than the sum of its proper divisors (542997531105).

1220231300103 is a wasteful number, since it uses less digits than its factorization.

1220231300103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51731454 (or 51731451 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1220231300103 its reverse (3010031320221), we get a palindrome (4230262620324).

The spelling of 1220231300103 in words is "one trillion, two hundred twenty billion, two hundred thirty-one million, three hundred thousand, one hundred three".