2421312000 has 160 divisors (see below), whose sum is σ = 8050895424. Its totient is φ = 645632000.

The previous prime is 2421311953. The next prime is 2421312011. The reversal of 2421312000 is 2131242.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185695 + ... + 198305.

Almost surely, 2^2421312000 is an apocalyptic number.

2421312000 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 2421312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4025447712).

2421312000 is an abundant number, since it is smaller than the sum of its proper divisors (5629583424).

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

2421312000 is an equidigital number, since it uses as much as digits as its factorization.

2421312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12647 (or 12621 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2421312000 is about 49206.8287943858. The cubic root of 2421312000 is about 1342.8172701520.

Adding to 2421312000 its reverse (2131242), we get a palindrome (2423443242).

The spelling of 2421312000 in words is "two billion, four hundred twenty-one million, three hundred twelve thousand".