1043684223972 has 96 divisors (see below), whose sum is σ = 2662050932352. Its totient is φ = 316313496576.

The previous prime is 1043684223971. The next prime is 1043684224007. The reversal of 1043684223972 is 2793224863401.

It is a happy number.

1043684223972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1043684223971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8560183 + ... + 8681249.

It is an arithmetic number, because the mean of its divisors is an integer number (27729697212).

Almost surely, 2^{1043684223972} is an apocalyptic number.

1043684223972 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 1043684223972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331025466176).

1043684223972 is an abundant number, since it is smaller than the sum of its proper divisors (1618366708380).

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

1043684223972 is a wasteful number, since it uses less digits than its factorization.

1043684223972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121917 (or 121915 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 1043684223972 in words is "one trillion, forty-three billion, six hundred eighty-four million, two hundred twenty-three thousand, nine hundred seventy-two".