1021223231300 has 36 divisors (see below), whose sum is σ = 2228297845956. Its totient is φ = 406232438400.

The previous prime is 1021223231269. The next prime is 1021223231317. The reversal of 1021223231300 is 31323221201.

It can be written as a sum of positive squares in 6 ways, for example, as 215541061696 + 805682169604 = 464264^2 + 897598^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28192487 + ... + 28228686.

Almost surely, 2^{1021223231300} is an apocalyptic number.

1021223231300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021223231300 is an abundant number, since it is smaller than the sum of its proper divisors (1207074614656).

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

1021223231300 is a wasteful number, since it uses less digits than its factorization.

1021223231300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56421368 (or 56421361 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1021223231300 its reverse (31323221201), we get a palindrome (1052546452501).

The spelling of 1021223231300 in words is "one trillion, twenty-one billion, two hundred twenty-three million, two hundred thirty-one thousand, three hundred".