122012011 has 4 divisors (see below), whose sum is σ = 133104024. Its totient is φ = 110920000.

The previous prime is 122011999. The next prime is 122012021. The reversal of 122012011 is 110210221.

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 122012011 - 2¹⁵ = 121979243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122012021) 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, 5545990 + ... + 5546011.

It is an arithmetic number, because the mean of its divisors is an integer number (33276006).

Almost surely, 2^122012011 is an apocalyptic number.

122012011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122012011 is a deficient number, since it is larger than the sum of its proper divisors (11092013).

122012011 is a wasteful number, since it uses less digits than its factorization.

122012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11092012.

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

The square root of 122012011 is about 11045.9047162285. The cubic root of 122012011 is about 495.9838419879.

Adding to 122012011 its reverse (110210221), we get a palindrome (232222232).

It can be divided in two parts, 1220 and 12011, that added together give a palindrome (13231).

The spelling of 122012011 in words is "one hundred twenty-two million, twelve thousand, eleven".