2121201212030 has 16 divisors (see below), whose sum is σ = 3818293586784. Its totient is φ = 848451283680.

The previous prime is 2121201212029. The next prime is 2121201212077. The reversal of 2121201212030 is 302121021212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3343826 + ... + 3927285.

It is an arithmetic number, because the mean of its divisors is an integer number (238643349174).

Almost surely, 2^{2121201212030} is an apocalyptic number.

2121201212030 is a deficient number, since it is larger than the sum of its proper divisors (1697092374754).

2121201212030 is a wasteful number, since it uses less digits than its factorization.

2121201212030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7300291.

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

Adding to 2121201212030 its reverse (302121021212), we get a palindrome (2423322233242).

The spelling of 2121201212030 in words is "two trillion, one hundred twenty-one billion, two hundred one million, two hundred twelve thousand, thirty".