1021238206803 has 12 divisors (see below), whose sum is σ = 1512953270920. Its totient is φ = 680821970508.

The previous prime is 1021238206763. The next prime is 1021238206837. The reversal of 1021238206803 is 3086028321201.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

1021238206803 is a `hidden beast` number, since 1 + 0 + 212 + 382 + 0 + 68 + 0 + 3 = 666.

1021238206803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1021238206803 - 2⁹ = 1021238206291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021238206103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5153800 + ... + 5348282.

Almost surely, 2^{1021238206803} is an apocalyptic number.

1021238206803 is a deficient number, since it is larger than the sum of its proper divisors (491715064117).

1021238206803 is an frugal number, since it uses more digits than its factorization.

1021238206803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388975 (or 194486 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

It can be divided in two parts, 102123 and 8206803, that added together give a triangular number (8308926 = T₄₀₇₆).

The spelling of 1021238206803 in words is "one trillion, twenty-one billion, two hundred thirty-eight million, two hundred six thousand, eight hundred three".