1212303230203 has 32 divisors (see below), whose sum is σ = 1377564475392. Its totient is φ = 1058970931200.

The previous prime is 1212303230197. The next prime is 1212303230213. The reversal of 1212303230203 is 3020323032121.

It is not a de Polignac number, because 1212303230203 - 2³³ = 1203713295611 is a prime.

It is a super-2 number, since 2×1212303230203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212303230213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21811218 + ... + 21866728.

It is an arithmetic number, because the mean of its divisors is an integer number (43048889856).

Almost surely, 2^{1212303230203} is an apocalyptic number.

1212303230203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1212303230203 is a deficient number, since it is larger than the sum of its proper divisors (165261245189).

1212303230203 is a wasteful number, since it uses less digits than its factorization.

1212303230203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56755.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1212303230203 its reverse (3020323032121), we get a palindrome (4232626262324).

The spelling of 1212303230203 in words is "one trillion, two hundred twelve billion, three hundred three million, two hundred thirty thousand, two hundred three".