2121312310030 has 24 divisors (see below), whose sum is σ = 3852452239272. Its totient is φ = 841015803264.

The previous prime is 2121312310027. The next prime is 2121312310049. The reversal of 2121312310030 is 300132131212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8178804 + ... + 8434183.

It is an arithmetic number, because the mean of its divisors is an integer number (160518843303).

Almost surely, 2^{2121312310030} is an apocalyptic number.

2121312310030 is a deficient number, since it is larger than the sum of its proper divisors (1731139929242).

2121312310030 is a wasteful number, since it uses less digits than its factorization.

2121312310030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16613220 (or 16613107 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2121312310030 its reverse (300132131212), we get a palindrome (2421444441242).

It can be divided in two parts, 2121312 and 310030, that added together give a palindrome (2431342).

The spelling of 2121312310030 in words is "two trillion, one hundred twenty-one billion, three hundred twelve million, three hundred ten thousand, thirty".