1204021421300 has 36 divisors (see below), whose sum is σ = 2612774125920. Its totient is φ = 481599786720.

The previous prime is 1204021421293. The next prime is 1204021421321. The reversal of 1204021421300 is 31241204021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10606241 + ... + 10719159.

Almost surely, 2^{1204021421300} is an apocalyptic number.

1204021421300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204021421300 is an abundant number, since it is smaller than the sum of its proper divisors (1408752704620).

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

1204021421300 is a wasteful number, since it uses less digits than its factorization.

1204021421300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219560 (or 219553 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1204021421300 its reverse (31241204021), we get a palindrome (1235262625321).

The spelling of 1204021421300 in words is "one trillion, two hundred four billion, twenty-one million, four hundred twenty-one thousand, three hundred".