121232013211 has 16 divisors (see below), whose sum is σ = 127266467328. Its totient is φ = 115378401600.

The previous prime is 121232013197. The next prime is 121232013229. The reversal of 121232013211 is 112310232121.

It is a cyclic number.

It is not a de Polignac number, because 121232013211 - 2⁵ = 121232013179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121232013271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68706 + ... + 497176.

It is an arithmetic number, because the mean of its divisors is an integer number (7954154208).

Almost surely, 2^121232013211 is an apocalyptic number.

121232013211 is a deficient number, since it is larger than the sum of its proper divisors (6034454117).

121232013211 is a wasteful number, since it uses less digits than its factorization.

121232013211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428682.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121232013211 its reverse (112310232121), we get a palindrome (233542245332).

The spelling of 121232013211 in words is "one hundred twenty-one billion, two hundred thirty-two million, thirteen thousand, two hundred eleven".