1203230231220 has 24 divisors (see below), whose sum is σ = 3369044647584. Its totient is φ = 320861394976.

The previous prime is 1203230231213. The next prime is 1203230231227. The reversal of 1203230231220 is 221320323021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1203230231213) and next prime (1203230231227).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203230231227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10026918534 + ... + 10026918653.

It is an arithmetic number, because the mean of its divisors is an integer number (140376860316).

Almost surely, 2^{1203230231220} is an apocalyptic number.

1203230231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203230231220 is an abundant number, since it is smaller than the sum of its proper divisors (2165814416364).

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

1203230231220 is a wasteful number, since it uses less digits than its factorization.

1203230231220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20053837199 (or 20053837197 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1203230231220 its reverse (221320323021), we get a palindrome (1424550554241).

The spelling of 1203230231220 in words is "one trillion, two hundred three billion, two hundred thirty million, two hundred thirty-one thousand, two hundred twenty".