1200003103100 has 72 divisors (see below), whose sum is σ = 2674767949728. Its totient is φ = 466961414400.

The previous prime is 1200003103097. The next prime is 1200003103109. The reversal of 1200003103100 is 13013000021.

It is a super-2 number, since 2×1200003103100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200003103109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31701185 + ... + 31739015.

Almost surely, 2^{1200003103100} is an apocalyptic number.

1200003103100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200003103100 is an abundant number, since it is smaller than the sum of its proper divisors (1474764846628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200003103100 is a wasteful number, since it uses less digits than its factorization.

1200003103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46455 (or 46448 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 1200003103100 its reverse (13013000021), we get a palindrome (1213016103121).

The spelling of 1200003103100 in words is "one trillion, two hundred billion, three million, one hundred three thousand, one hundred".