2421205132 has 12 divisors (see below), whose sum is σ = 4245958080. Its totient is φ = 1208074256.

The previous prime is 2421205109. The next prime is 2421205139. The reversal of 2421205132 is 2315021242.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2421205139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629923 + ... + 633754.

It is an arithmetic number, because the mean of its divisors is an integer number (353829840).

Almost surely, 2^2421205132 is an apocalyptic number.

It is an amenable number.

2421205132 is a deficient number, since it is larger than the sum of its proper divisors (1824752948).

2421205132 is a wasteful number, since it uses less digits than its factorization.

2421205132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264160 (or 1264158 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2421205132 is about 49205.7428762131. The cubic root of 2421205132 is about 1342.7975141537.

Adding to 2421205132 its reverse (2315021242), we get a palindrome (4736226374).

The spelling of 2421205132 in words is "two billion, four hundred twenty-one million, two hundred five thousand, one hundred thirty-two".