1232454447072 has 144 divisors (see below), whose sum is σ = 3722817309120. Its totient is φ = 385416585216.

The previous prime is 1232454447067. The next prime is 1232454447109. The reversal of 1232454447072 is 2707444542321.

1232454447072 is a `hidden beast` number, since 1 + 2 + 32 + 4 + 544 + 4 + 7 + 0 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1130329 + ... + 1934567.

It is an arithmetic number, because the mean of its divisors is an integer number (25852897980).

Almost surely, 2^{1232454447072} is an apocalyptic number.

1232454447072 is a gapful number since it is divisible by the number (12) 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 1232454447072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1861408654560).

1232454447072 is an abundant number, since it is smaller than the sum of its proper divisors (2490362862048).

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

1232454447072 is a wasteful number, since it uses less digits than its factorization.

1232454447072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804585 (or 804574 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 45.

Adding to 1232454447072 its reverse (2707444542321), we get a palindrome (3939898989393).

The spelling of 1232454447072 in words is "one trillion, two hundred thirty-two billion, four hundred fifty-four million, four hundred forty-seven thousand, seventy-two".