213253040000 has 640 divisors, whose sum is σ = 713057748480. Its totient is φ = 61332480000.

The previous prime is 213253039999. The next prime is 213253040029. The reversal of 213253040000 is 40352312.

It is a happy number.

213253040000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (640).

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 80078669 + ... + 80081331.

It is an arithmetic number, because the mean of its divisors is an integer number (1114152732).

Almost surely, 2^213253040000 is an apocalyptic number.

213253040000 is a gapful number since it is divisible by the number (20) 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 213253040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356528874240).

213253040000 is an abundant number, since it is smaller than the sum of its proper divisors (499804708480).

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

213253040000 is a wasteful number, since it uses less digits than its factorization.

213253040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728 (or 2701 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 213253040000 its reverse (40352312), we get a palindrome (213293392312).

The spelling of 213253040000 in words is "two hundred thirteen billion, two hundred fifty-three million, forty thousand".