1303230012220 has 24 divisors (see below), whose sum is σ = 2737493486784. Its totient is φ = 521156678976.

The previous prime is 1303230012197. The next prime is 1303230012221. The reversal of 1303230012220 is 222100323031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303230012221) 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, 8378884 + ... + 8533003.

It is an arithmetic number, because the mean of its divisors is an integer number (114062228616).

Almost surely, 2^{1303230012220} is an apocalyptic number.

1303230012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303230012220 is an abundant number, since it is smaller than the sum of its proper divisors (1434263474564).

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

1303230012220 is a wasteful number, since it uses less digits than its factorization.

1303230012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16915749 (or 16915747 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1303230012220 its reverse (222100323031), we get a palindrome (1525330335251).

The spelling of 1303230012220 in words is "one trillion, three hundred three billion, two hundred thirty million, twelve thousand, two hundred twenty".