1013220545244 has 24 divisors (see below), whose sum is σ = 2364237581328. Its totient is φ = 337732137600.

The previous prime is 1013220545221. The next prime is 1013220545263. The reversal of 1013220545244 is 4425450223101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469257 + ... + 1498880.

It is an arithmetic number, because the mean of its divisors is an integer number (98509899222).

Almost surely, 2^{1013220545244} is an apocalyptic number.

It is an amenable number.

1013220545244 is an abundant number, since it is smaller than the sum of its proper divisors (1351017036084).

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

1013220545244 is a wasteful number, since it uses less digits than its factorization.

1013220545244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011045 (or 2011043 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 1013220545244 its reverse (4425450223101), we get a palindrome (5438670768345).

The spelling of 1013220545244 in words is "one trillion, thirteen billion, two hundred twenty million, five hundred forty-five thousand, two hundred forty-four".