120212011 has 4 divisors (see below), whose sum is σ = 120949672. Its totient is φ = 119474352.

The previous prime is 120211979. The next prime is 120212023. The reversal of 120212011 is 110212021.

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

It is a cyclic number.

It is not a de Polignac number, because 120212011 - 2⁵ = 120211979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120212311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368586 + ... + 368911.

It is an arithmetic number, because the mean of its divisors is an integer number (30237418).

Almost surely, 2^120212011 is an apocalyptic number.

120212011 is a deficient number, since it is larger than the sum of its proper divisors (737661).

120212011 is an equidigital number, since it uses as much as digits as its factorization.

120212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737660.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 120212011 is about 10964.1238136023. The cubic root of 120212011 is about 493.5327240134.

Adding to 120212011 its sum of digits (10), we get a palindrome (120212021).

Adding to 120212011 its reverse (110212021), we get a palindrome (230424032).

The spelling of 120212011 in words is "one hundred twenty million, two hundred twelve thousand, eleven".