1020002012203 has 4 divisors (see below), whose sum is σ = 1020660504400. Its totient is φ = 1019343520008.

The previous prime is 1020002012131. The next prime is 1020002012269. The reversal of 1020002012203 is 3022102000201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020002012203 - 2¹⁷ = 1020001881131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020002012503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329243775 + ... + 329246872.

It is an arithmetic number, because the mean of its divisors is an integer number (255165126100).

Almost surely, 2^{1020002012203} is an apocalyptic number.

1020002012203 is a deficient number, since it is larger than the sum of its proper divisors (658492197).

1020002012203 is an equidigital number, since it uses as much as digits as its factorization.

1020002012203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658492196.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1020002012203 its reverse (3022102000201), we get a palindrome (4042104012404).

The spelling of 1020002012203 in words is "one trillion, twenty billion, two million, twelve thousand, two hundred three".