2122131480 has 128 divisors (see below), whose sum is σ = 7289049600. Its totient is φ = 484180992.

The previous prime is 2122131439. The next prime is 2122131481. The reversal of 2122131480 is 841312212.

2122131480 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2122131480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122131481) 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, 538156 + ... + 542084.

It is an arithmetic number, because the mean of its divisors is an integer number (56945700).

Almost surely, 2^2122131480 is an apocalyptic number.

2122131480 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 2122131480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3644524800).

2122131480 is an abundant number, since it is smaller than the sum of its proper divisors (5166918120).

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

2122131480 is a wasteful number, since it uses less digits than its factorization.

2122131480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4593 (or 4589 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2122131480 is about 46066.5983115749. The cubic root of 2122131480 is about 1285.0620428592.

Adding to 2122131480 its reverse (841312212), we get a palindrome (2963443692).

The spelling of 2122131480 in words is "two billion, one hundred twenty-two million, one hundred thirty-one thousand, four hundred eighty".