121232330012231 has 32 divisors (see below), whose sum is σ = 128341351618560. Its totient is φ = 114287386752000.

The previous prime is 121232330012203. The next prime is 121232330012327. The reversal of 121232330012231 is 132210033232121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121232330012231 is a prime.

It is a super-2 number, since 2×121232330012231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121232330012231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121232330092231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1439583716 + ... + 1439667926.

It is an arithmetic number, because the mean of its divisors is an integer number (4010667238080).

Almost surely, 2^{121232330012231} is an apocalyptic number.

121232330012231 is a deficient number, since it is larger than the sum of its proper divisors (7109021606329).

121232330012231 is a wasteful number, since it uses less digits than its factorization.

121232330012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87167.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 121232330012231 its reverse (132210033232121), we get a palindrome (253442363244352).

The spelling of 121232330012231 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, three hundred thirty million, twelve thousand, two hundred thirty-one".