1232121023121 has 8 divisors (see below), whose sum is σ = 1650001953280. Its totient is φ = 817827054192.

The previous prime is 1232121023101. The next prime is 1232121023153. The reversal of 1232121023121 is 1213201212321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1232121023121 - 2⁶ = 1232121023057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232121023101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896739505 + ... + 896740878.

It is an arithmetic number, because the mean of its divisors is an integer number (206250244160).

Almost surely, 2^{1232121023121} is an apocalyptic number.

It is an amenable number.

1232121023121 is a deficient number, since it is larger than the sum of its proper divisors (417880930159).

1232121023121 is a wasteful number, since it uses less digits than its factorization.

1232121023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793480615.

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

Adding to 1232121023121 its reverse (1213201212321), we get a palindrome (2445322235442).

The spelling of 1232121023121 in words is "one trillion, two hundred thirty-two billion, one hundred twenty-one million, twenty-three thousand, one hundred twenty-one".