20120020121210 has 16 divisors (see below), whose sum is σ = 36829867341600. Its totient is φ = 7911601132176.

The previous prime is 20120020121153. The next prime is 20120020121219. The reversal of 20120020121210 is 1212102002102.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20120020121219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17050863920 + ... + 17050865099.

It is an arithmetic number, because the mean of its divisors is an integer number (2301866708850).

Almost surely, 2^{20120020121210} is an apocalyptic number.

20120020121210 is a deficient number, since it is larger than the sum of its proper divisors (16709847220390).

20120020121210 is a wasteful number, since it uses less digits than its factorization.

20120020121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34101729085.

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

Adding to 20120020121210 its reverse (1212102002102), we get a palindrome (21332122123312).

The spelling of 20120020121210 in words is "twenty trillion, one hundred twenty billion, twenty million, one hundred twenty-one thousand, two hundred ten".