1204213121300 has 36 divisors (see below), whose sum is σ = 2986448542560. Its totient is φ = 412873069920.

The previous prime is 1204213121261. The next prime is 1204213121341. The reversal of 1204213121300 is 31213124021.

It is a super-2 number, since 2×1204213121300² (a number of 25 digits) contains 22 as substring.

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, 860151530 + ... + 860152929.

It is an arithmetic number, because the mean of its divisors is an integer number (82956903960).

Almost surely, 2^{1204213121300} is an apocalyptic number.

1204213121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204213121300 is an abundant number, since it is smaller than the sum of its proper divisors (1782235421260).

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

1204213121300 is a wasteful number, since it uses less digits than its factorization.

1204213121300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720304480 (or 1720304473 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1204213121300 its reverse (31213124021), we get a palindrome (1235426245321).

The spelling of 1204213121300 in words is "one trillion, two hundred four billion, two hundred thirteen million, one hundred twenty-one thousand, three hundred".