1012120212011 has 4 divisors (see below), whose sum is σ = 1018822995024. Its totient is φ = 1005417429000.

The previous prime is 1012120212001. The next prime is 1012120212023. The reversal of 1012120212011 is 1102120212101.

1012120212011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012120212011 is a prime.

It is a super-2 number, since 2×1012120212011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012120212001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3351391280 + ... + 3351391581.

It is an arithmetic number, because the mean of its divisors is an integer number (254705748756).

Almost surely, 2^{1012120212011} is an apocalyptic number.

1012120212011 is a deficient number, since it is larger than the sum of its proper divisors (6702783013).

1012120212011 is an equidigital number, since it uses as much as digits as its factorization.

1012120212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6702783012.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012120212011 its reverse (1102120212101), we get a palindrome (2114240424112).

The spelling of 1012120212011 in words is "one trillion, twelve billion, one hundred twenty million, two hundred twelve thousand, eleven".