12121320121032 has 16 divisors (see below), whose sum is σ = 30303300302640. Its totient is φ = 4040440040336.

The previous prime is 12121320121007. The next prime is 12121320121087. The reversal of 12121320121032 is 23012102312121.

12121320121032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252527502498 + ... + 252527502545.

It is an arithmetic number, because the mean of its divisors is an integer number (1893956268915).

Almost surely, 2^{12121320121032} is an apocalyptic number.

12121320121032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12121320121032 is an abundant number, since it is smaller than the sum of its proper divisors (18181980181608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12121320121032 is a wasteful number, since it uses less digits than its factorization.

12121320121032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505055005052 (or 505055005048 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12121320121032 its reverse (23012102312121), we get a palindrome (35133422433153).

The spelling of 12121320121032 in words is "twelve trillion, one hundred twenty-one billion, three hundred twenty million, one hundred twenty-one thousand, thirty-two".