20121123332010 has 16 divisors (see below), whose sum is σ = 48290695996896. Its totient is φ = 5365632888528.

The previous prime is 20121123331979. The next prime is 20121123332027. The reversal of 20121123332010 is 1023332112102.

It is a Curzon number.

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, 335352055504 + ... + 335352055563.

It is an arithmetic number, because the mean of its divisors is an integer number (3018168499806).

Almost surely, 2^{20121123332010} is an apocalyptic number.

20121123332010 is an abundant number, since it is smaller than the sum of its proper divisors (28169572664886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20121123332010 is a wasteful number, since it uses less digits than its factorization.

20121123332010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670704111077.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20121123332010 its reverse (1023332112102), we get a palindrome (21144455444112).

The spelling of 20121123332010 in words is "twenty trillion, one hundred twenty-one billion, one hundred twenty-three million, three hundred thirty-two thousand, ten".