1230213312300 has 144 divisors (see below), whose sum is σ = 4208178159360. Its totient is φ = 271495338240.

The previous prime is 1230213312287. The next prime is 1230213312301. The reversal of 1230213312300 is 32133120321.

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

It is not an unprimeable number, because it can be changed into a prime (1230213312301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10039374 + ... + 10161173.

It is an arithmetic number, because the mean of its divisors is an integer number (29223459440).

Almost surely, 2^{1230213312300} is an apocalyptic number.

1230213312300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230213312300 is an abundant number, since it is smaller than the sum of its proper divisors (2977964847060).

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

1230213312300 is a wasteful number, since it uses less digits than its factorization.

1230213312300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20200600 (or 20200593 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1230213312300 its reverse (32133120321), we get a palindrome (1262346432621).

The spelling of 1230213312300 in words is "one trillion, two hundred thirty billion, two hundred thirteen million, three hundred twelve thousand, three hundred".