1242030202203 has 12 divisors (see below), whose sum is σ = 1926414191400. Its totient is φ = 709731544032.

The previous prime is 1242030202177. The next prime is 1242030202219. The reversal of 1242030202203 is 3022020302421.

It is not a de Polignac number, because 1242030202203 - 2¹⁸ = 1242029940059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1242030202203.

It is not an unprimeable number, because it can be changed into a prime (1242030202603) 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, 4224592378 + ... + 4224592671.

It is an arithmetic number, because the mean of its divisors is an integer number (160534515950).

Almost surely, 2^{1242030202203} is an apocalyptic number.

1242030202203 is a deficient number, since it is larger than the sum of its proper divisors (684383989197).

1242030202203 is an equidigital number, since it uses as much as digits as its factorization.

1242030202203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449185066 (or 8449185059 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 1242030202203 its reverse (3022020302421), we get a palindrome (4264050504624).

The spelling of 1242030202203 in words is "one trillion, two hundred forty-two billion, thirty million, two hundred two thousand, two hundred three".