2121302301212 has 12 divisors (see below), whose sum is σ = 3713242531656. Its totient is φ = 1060375863600.

The previous prime is 2121302301143. The next prime is 2121302301269. The reversal of 2121302301212 is 2121032031212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68804414 + ... + 68835237.

It is an arithmetic number, because the mean of its divisors is an integer number (309436877638).

Almost surely, 2^{2121302301212} is an apocalyptic number.

It is an amenable number.

2121302301212 is a deficient number, since it is larger than the sum of its proper divisors (1591940230444).

2121302301212 is a wasteful number, since it uses less digits than its factorization.

2121302301212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137643508 (or 137643506 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2121302301212 its reverse (2121032031212), we get a palindrome (4242334332424).

The spelling of 2121302301212 in words is "two trillion, one hundred twenty-one billion, three hundred two million, three hundred one thousand, two hundred twelve".