2523212120 has 64 divisors (see below), whose sum is σ = 6669764640. Its totient is φ = 846950400.

The previous prime is 2523212101. The next prime is 2523212123. The reversal of 2523212120 is 212123252.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2523212092 and 2523212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523212123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214841 + ... + 226280.

Almost surely, 2^2523212120 is an apocalyptic number.

2523212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2523212120 is an abundant number, since it is smaller than the sum of its proper divisors (4146552520).

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

2523212120 is a wasteful number, since it uses less digits than its factorization.

2523212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441156 (or 441152 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2523212120 is about 50231.5848844131. The cubic root of 2523212120 is about 1361.3963671290.

Adding to 2523212120 its reverse (212123252), we get a palindrome (2735335372).

The spelling of 2523212120 in words is "two billion, five hundred twenty-three million, two hundred twelve thousand, one hundred twenty".