1230451040000 has 360 divisors, whose sum is σ = 3777444205920. Its totient is φ = 389412864000.

The previous prime is 1230451039999. The next prime is 1230451040011. The reversal of 1230451040000 is 401540321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14517746 + ... + 14602254.

It is an arithmetic number, because the mean of its divisors is an integer number (10492900572).

Almost surely, 2^{1230451040000} is an apocalyptic number.

1230451040000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230451040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1888722102960).

1230451040000 is an abundant number, since it is smaller than the sum of its proper divisors (2546993165920).

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

1230451040000 is an frugal number, since it uses more digits than its factorization.

1230451040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84565 (or 84536 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 1230451040000 its reverse (401540321), we get a palindrome (1230852580321).

The spelling of 1230451040000 in words is "one trillion, two hundred thirty billion, four hundred fifty-one million, forty thousand".