1243301420000 has 60 divisors (see below), whose sum is σ = 3058708037616. Its totient is φ = 497320560000.

The previous prime is 1243301419963. The next prime is 1243301420003. The reversal of 1243301420000 is 241033421.

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 (1243301420003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31062536 + ... + 31102535.

Almost surely, 2^{1243301420000} is an apocalyptic number.

1243301420000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1243301420000 is an abundant number, since it is smaller than the sum of its proper divisors (1815406617616).

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

1243301420000 is an frugal number, since it uses more digits than its factorization.

1243301420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62165101 (or 62165078 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1243301420000 its reverse (241033421), we get a palindrome (1243542453421).

The spelling of 1243301420000 in words is "one trillion, two hundred forty-three billion, three hundred one million, four hundred twenty thousand".