1204431342420 has 48 divisors (see below), whose sum is σ = 3393097404480. Its totient is φ = 319211248896.

The previous prime is 1204431342407. The next prime is 1204431342421. The reversal of 1204431342420 is 242431344021.

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 (1204431342421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61566465 + ... + 61586024.

It is an arithmetic number, because the mean of its divisors is an integer number (70689529260).

Almost surely, 2^{1204431342420} is an apocalyptic number.

1204431342420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204431342420 is an abundant number, since it is smaller than the sum of its proper divisors (2188666062060).

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

1204431342420 is a wasteful number, since it uses less digits than its factorization.

1204431342420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123152664 (or 123152662 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1204431342420 its reverse (242431344021), we get a palindrome (1446862686441).

The spelling of 1204431342420 in words is "one trillion, two hundred four billion, four hundred thirty-one million, three hundred forty-two thousand, four hundred twenty".