2124122002 has 4 divisors (see below), whose sum is σ = 3186183006. Its totient is φ = 1062061000.

The previous prime is 2124121957. The next prime is 2124122009. The reversal of 2124122002 is 2002214212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1342416321 + 781705681 = 36639^2 + 27959^2 .

It is not an unprimeable number, because it can be changed into a prime (2124122009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531030499 + ... + 531030502.

Almost surely, 2^2124122002 is an apocalyptic number.

2124122002 is a deficient number, since it is larger than the sum of its proper divisors (1062061004).

2124122002 is a wasteful number, since it uses less digits than its factorization.

2124122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062061003.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2124122002 is about 46088.1980771650. The cubic root of 2124122002 is about 1285.4637058318.

Adding to 2124122002 its reverse (2002214212), we get a palindrome (4126336214).

It can be divided in two parts, 212 and 4122002, that added together give a palindrome (4122214).

The spelling of 2124122002 in words is "two billion, one hundred twenty-four million, one hundred twenty-two thousand, two".