20121011006 has 32 divisors (see below), whose sum is σ = 31165229088. Its totient is φ = 9736796160.

The previous prime is 20121010997. The next prime is 20121011017. The reversal of 20121011006 is 60011012102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7758446 + ... + 7761038.

It is an arithmetic number, because the mean of its divisors is an integer number (973913409).

Almost surely, 2^20121011006 is an apocalyptic number.

20121011006 is a deficient number, since it is larger than the sum of its proper divisors (11044218082).

20121011006 is a wasteful number, since it uses less digits than its factorization.

20121011006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20121011006 its reverse (60011012102), we get a palindrome (80132023108).

The spelling of 20121011006 in words is "twenty billion, one hundred twenty-one million, eleven thousand, six".