2121201032012 has 12 divisors (see below), whose sum is σ = 3718602863976. Its totient is φ = 1058743070880.

The previous prime is 2121201032009. The next prime is 2121201032149. The reversal of 2121201032012 is 2102301021212.

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, 464358713 + ... + 464363280.

It is an arithmetic number, because the mean of its divisors is an integer number (309883571998).

Almost surely, 2^{2121201032012} is an apocalyptic number.

It is an amenable number.

2121201032012 is a deficient number, since it is larger than the sum of its proper divisors (1597401831964).

2121201032012 is a wasteful number, since it uses less digits than its factorization.

2121201032012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928722568 (or 928722566 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2121201032012 its reverse (2102301021212), we get a palindrome (4223502053224).

The spelling of 2121201032012 in words is "two trillion, one hundred twenty-one billion, two hundred one million, thirty-two thousand, twelve".