20112012101202 has 16 divisors (see below), whose sum is σ = 45970313374272. Its totient is φ = 5746289171760.

The previous prime is 20112012101201. The next prime is 20112012101213. The reversal of 20112012101202 is 20210121021102.

It is not an unprimeable number, because it can be changed into a prime (20112012101201) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 239428715449 + ... + 239428715532.

It is an arithmetic number, because the mean of its divisors is an integer number (2873144585892).

Almost surely, 2^{20112012101202} is an apocalyptic number.

20112012101202 is an abundant number, since it is smaller than the sum of its proper divisors (25858301273070).

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

20112012101202 is a wasteful number, since it uses less digits than its factorization.

20112012101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478857430993.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20112012101202 its reverse (20210121021102), we get a palindrome (40322133122304).

The spelling of 20112012101202 in words is "twenty trillion, one hundred twelve billion, twelve million, one hundred one thousand, two hundred two".