2001011212210 has 64 divisors (see below), whose sum is σ = 3934204369920. Its totient is φ = 730211751360.

The previous prime is 2001011212169. The next prime is 2001011212243. The reversal of 2001011212210 is 122121101002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1144732 + ... + 2304871.

It is an arithmetic number, because the mean of its divisors is an integer number (61471943280).

Almost surely, 2^{2001011212210} is an apocalyptic number.

2001011212210 is a deficient number, since it is larger than the sum of its proper divisors (1933193157710).

2001011212210 is a wasteful number, since it uses less digits than its factorization.

2001011212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449743.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2001011212210 its reverse (122121101002), we get a palindrome (2123132313212).

The spelling of 2001011212210 in words is "two trillion, one billion, eleven million, two hundred twelve thousand, two hundred ten".