1203220121300 has 72 divisors (see below), whose sum is σ = 2697608175360. Its totient is φ = 465348729600.

The previous prime is 1203220121273. The next prime is 1203220121321. The reversal of 1203220121300 is 31210223021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3328007 + ... + 3671793.

Almost surely, 2^{1203220121300} is an apocalyptic number.

1203220121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1203220121300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1348804087680).

1203220121300 is an abundant number, since it is smaller than the sum of its proper divisors (1494388054060).

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

1203220121300 is a wasteful number, since it uses less digits than its factorization.

1203220121300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344961 (or 344954 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1203220121300 its reverse (31210223021), we get a palindrome (1234430344321).

The spelling of 1203220121300 in words is "one trillion, two hundred three billion, two hundred twenty million, one hundred twenty-one thousand, three hundred".