1230399488020 has 12 divisors (see below), whose sum is σ = 2583838924884. Its totient is φ = 492159795200.

The previous prime is 1230399487997. The next prime is 1230399488039. The reversal of 1230399488020 is 208849930321.

It can be written as a sum of positive squares in 2 ways, for example, as 284989416336 + 945410071684 = 533844^2 + 972322^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30759987181 + ... + 30759987220.

It is an arithmetic number, because the mean of its divisors is an integer number (215319910407).

Almost surely, 2^{1230399488020} is an apocalyptic number.

1230399488020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230399488020 is an abundant number, since it is smaller than the sum of its proper divisors (1353439436864).

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

1230399488020 is a wasteful number, since it uses less digits than its factorization.

1230399488020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61519974410 (or 61519974408 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 1230399488020 in words is "one trillion, two hundred thirty billion, three hundred ninety-nine million, four hundred eighty-eight thousand, twenty".