1345203554120 has 32 divisors (see below), whose sum is σ = 3031386120000. Its totient is φ = 537249755328.

The previous prime is 1345203554111. The next prime is 1345203554153. The reversal of 1345203554120 is 214553025431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25963370 + ... + 26015129.

It is an arithmetic number, because the mean of its divisors is an integer number (94730816250).

Almost surely, 2^{1345203554120} is an apocalyptic number.

1345203554120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345203554120 is an abundant number, since it is smaller than the sum of its proper divisors (1686182565880).

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

1345203554120 is a wasteful number, since it uses less digits than its factorization.

1345203554120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51979157 (or 51979153 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 1345203554120 its reverse (214553025431), we get a palindrome (1559756579551).

The spelling of 1345203554120 in words is "one trillion, three hundred forty-five billion, two hundred three million, five hundred fifty-four thousand, one hundred twenty".