2001212122010 has 16 divisors (see below), whose sum is σ = 3791770336800. Its totient is φ = 758354067216.

The previous prime is 2001212121973. The next prime is 2001212122139. The reversal of 2001212122010 is 102212121002.

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, 5266347500 + ... + 5266347879.

It is an arithmetic number, because the mean of its divisors is an integer number (236985646050).

Almost surely, 2^{2001212122010} is an apocalyptic number.

2001212122010 is a deficient number, since it is larger than the sum of its proper divisors (1790558214790).

2001212122010 is a wasteful number, since it uses less digits than its factorization.

2001212122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10532695405.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2001212122010 its reverse (102212121002), we get a palindrome (2103424243012).

The spelling of 2001212122010 in words is "two trillion, one billion, two hundred twelve million, one hundred twenty-two thousand, ten".