202012120011 has 48 divisors (see below), whose sum is σ = 313807574304. Its totient is φ = 114512249856.

The previous prime is 202012119937. The next prime is 202012120033. The reversal of 202012120011 is 110021210202.

It is a de Polignac number, because none of the positive numbers 2^k-202012120011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202012120061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1395601 + ... + 1533533.

It is an arithmetic number, because the mean of its divisors is an integer number (6537657798).

Almost surely, 2^202012120011 is an apocalyptic number.

202012120011 is a deficient number, since it is larger than the sum of its proper divisors (111795454293).

202012120011 is a wasteful number, since it uses less digits than its factorization.

202012120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138060 (or 138013 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202012120011 its reverse (110021210202), we get a palindrome (312033330213).

The spelling of 202012120011 in words is "two hundred two billion, twelve million, one hundred twenty thousand, eleven".