20121011202010 has 48 divisors (see below), whose sum is σ = 37633113258336. Its totient is φ = 7743899981664.

The previous prime is 20121011201987. The next prime is 20121011202011. The reversal of 20121011202010 is 1020211012102.

It is not an unprimeable number, because it can be changed into a prime (20121011202011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6882144 + ... + 9359803.

It is an arithmetic number, because the mean of its divisors is an integer number (784023192882).

Almost surely, 2^{20121011202010} is an apocalyptic number.

20121011202010 is a deficient number, since it is larger than the sum of its proper divisors (17512102056326).

20121011202010 is a wasteful number, since it uses less digits than its factorization.

20121011202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16242107 (or 16242064 counting only the distinct ones).

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

Adding to 20121011202010 its reverse (1020211012102), we get a palindrome (21141222214112).

The spelling of 20121011202010 in words is "twenty trillion, one hundred twenty-one billion, eleven million, two hundred two thousand, ten".