1020044212100 has 18 divisors (see below), whose sum is σ = 2213495940474. Its totient is φ = 408017684800.

The previous prime is 1020044212081. The next prime is 1020044212111. The reversal of 1020044212100 is 12124400201.

It can be written as a sum of positive squares in 3 ways, for example, as 240694247236 + 779349964864 = 490606^2 + 882808^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5100220961 + ... + 5100221160.

It is an arithmetic number, because the mean of its divisors is an integer number (122971996693).

Almost surely, 2^{1020044212100} is an apocalyptic number.

1020044212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020044212100 is an abundant number, since it is smaller than the sum of its proper divisors (1193451728374).

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

1020044212100 is a wasteful number, since it uses less digits than its factorization.

1020044212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10200442135 (or 10200442128 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1020044212100 its reverse (12124400201), we get a palindrome (1032168612301).

The spelling of 1020044212100 in words is "one trillion, twenty billion, forty-four million, two hundred twelve thousand, one hundred".