20121122010010 has 32 divisors (see below), whose sum is σ = 41394430991232. Its totient is φ = 6898268975040.

The previous prime is 20121122010007. The next prime is 20121122010029. The reversal of 20121122010010 is 1001022112102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7150281 + ... + 9558700.

It is an arithmetic number, because the mean of its divisors is an integer number (1293575968476).

Almost surely, 2^{20121122010010} is an apocalyptic number.

20121122010010 is an abundant number, since it is smaller than the sum of its proper divisors (21273308981222).

20121122010010 is a wasteful number, since it uses less digits than its factorization.

20121122010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16726198.

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

Adding to 20121122010010 its reverse (1001022112102), we get a palindrome (21122144122112).

The spelling of 20121122010010 in words is "twenty trillion, one hundred twenty-one billion, one hundred twenty-two million, ten thousand, ten".