1021200003344 has 40 divisors (see below), whose sum is σ = 2095158713760. Its totient is φ = 480519531008.

The previous prime is 1021200003281. The next prime is 1021200003469. The reversal of 1021200003344 is 4433000021201.

It is a super-2 number, since 2×1021200003344² (a number of 25 digits) contains 22 as substring.

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, 2815307 + ... + 3157269.

It is an arithmetic number, because the mean of its divisors is an integer number (52378967844).

Almost surely, 2^{1021200003344} is an apocalyptic number.

It is an amenable number.

1021200003344 is an abundant number, since it is smaller than the sum of its proper divisors (1073958710416).

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

1021200003344 is a wasteful number, since it uses less digits than its factorization.

1021200003344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352967 (or 352961 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1021200003344 its reverse (4433000021201), we get a palindrome (5454200024545).

The spelling of 1021200003344 in words is "one trillion, twenty-one billion, two hundred million, three thousand, three hundred forty-four".