1241204442420 has 48 divisors (see below), whose sum is σ = 3626475592320. Its totient is φ = 316597074816.

The previous prime is 1241204442409. The next prime is 1241204442421. The reversal of 1241204442420 is 242444021421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241204442421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449710375 + ... + 449713134.

It is an arithmetic number, because the mean of its divisors is an integer number (75551574840).

Almost surely, 2^{1241204442420} is an apocalyptic number.

1241204442420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241204442420 is an abundant number, since it is smaller than the sum of its proper divisors (2385271149900).

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

1241204442420 is a wasteful number, since it uses less digits than its factorization.

1241204442420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899423544 (or 899423542 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 1241204442420 its reverse (242444021421), we get a palindrome (1483648463841).

The spelling of 1241204442420 in words is "one trillion, two hundred forty-one billion, two hundred four million, four hundred forty-two thousand, four hundred twenty".