2121030003212 has 24 divisors (see below), whose sum is σ = 3840622257360. Its totient is φ = 1023725102400.

The previous prime is 2121030003167. The next prime is 2121030003269. The reversal of 2121030003212 is 2123000301212.

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, 1426163 + ... + 2505194.

It is an arithmetic number, because the mean of its divisors is an integer number (160025927390).

Almost surely, 2^{2121030003212} is an apocalyptic number.

It is an amenable number.

2121030003212 is a deficient number, since it is larger than the sum of its proper divisors (1719592254148).

2121030003212 is a wasteful number, since it uses less digits than its factorization.

2121030003212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936041 (or 3936039 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2121030003212 its reverse (2123000301212), we get a palindrome (4244030304424).

The spelling of 2121030003212 in words is "two trillion, one hundred twenty-one billion, thirty million, three thousand, two hundred twelve".