121020310232 has 32 divisors (see below), whose sum is σ = 230742880320. Its totient is φ = 59489821440.

The previous prime is 121020310231. The next prime is 121020310253. The reversal of 121020310232 is 232013020121.

It is a self number, because there is not a number n which added to its sum of digits gives 121020310232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020310231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984833 + ... + 1100879.

It is an arithmetic number, because the mean of its divisors is an integer number (7210715010).

Almost surely, 2^121020310232 is an apocalyptic number.

It is an amenable number.

121020310232 is a deficient number, since it is larger than the sum of its proper divisors (109722570088).

121020310232 is a wasteful number, since it uses less digits than its factorization.

121020310232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118251 (or 118247 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121020310232 its reverse (232013020121), we get a palindrome (353033330353).

The spelling of 121020310232 in words is "one hundred twenty-one billion, twenty million, three hundred ten thousand, two hundred thirty-two".