1200341423420 has 48 divisors (see below), whose sum is σ = 2632895677440. Its totient is φ = 458810189376.

The previous prime is 1200341423383. The next prime is 1200341423423. The reversal of 1200341423420 is 243241430021.

It is a self number, because there is not a number n which added to its sum of digits gives 1200341423420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200341423423) 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 15 ways as a sum of consecutive naturals, for example, 811652 + ... + 1749131.

It is an arithmetic number, because the mean of its divisors is an integer number (54851993280).

Almost surely, 2^{1200341423420} is an apocalyptic number.

1200341423420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200341423420 is an abundant number, since it is smaller than the sum of its proper divisors (1432554254020).

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

1200341423420 is a wasteful number, since it uses less digits than its factorization.

1200341423420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561834 (or 2561832 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1200341423420 its reverse (243241430021), we get a palindrome (1443582853441).

The spelling of 1200341423420 in words is "one trillion, two hundred billion, three hundred forty-one million, four hundred twenty-three thousand, four hundred twenty".