1204201243100 has 36 divisors (see below), whose sum is σ = 2614228699488. Its totient is φ = 481475520000.

The previous prime is 1204201243061. The next prime is 1204201243109. The reversal of 1204201243100 is 13421024021.

It is a super-2 number, since 2×1204201243100² (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 not an unprimeable number, because it can be changed into a prime (1204201243109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2325941 + ... + 2796140.

Almost surely, 2^{1204201243100} is an apocalyptic number.

1204201243100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204201243100 is an abundant number, since it is smaller than the sum of its proper divisors (1410027456388).

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

1204201243100 is a wasteful number, since it uses less digits than its factorization.

1204201243100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124446 (or 5124439 counting only the distinct ones).

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

Adding to 1204201243100 its reverse (13421024021), we get a palindrome (1217622267121).

The spelling of 1204201243100 in words is "one trillion, two hundred four billion, two hundred one million, two hundred forty-three thousand, one hundred".