2120212122002 has 48 divisors (see below), whose sum is σ = 3502901000160. Its totient is φ = 961766208000.

The previous prime is 2120212122001. The next prime is 2120212122073. The reversal of 2120212122002 is 2002212120212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2120212122001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128637602 + ... + 128654082.

It is an arithmetic number, because the mean of its divisors is an integer number (72977104170).

Almost surely, 2^{2120212122002} is an apocalyptic number.

2120212122002 is a deficient number, since it is larger than the sum of its proper divisors (1382688878158).

2120212122002 is a wasteful number, since it uses less digits than its factorization.

2120212122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23019 (or 23006 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2120212122002 its reverse (2002212120212), we get a palindrome (4122424242214).

The spelling of 2120212122002 in words is "two trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, two".