1012032232121 has 4 divisors (see below), whose sum is σ = 1012208642292. Its totient is φ = 1011855821952.

The previous prime is 1012032232111. The next prime is 1012032232129. The reversal of 1012032232121 is 1212322302101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10391559721 + 1001640672400 = 101939^2 + 1000820^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012032232121 - 2³⁸ = 737154325177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012032232093 and 1012032232102.

It is not an unprimeable number, because it can be changed into a prime (1012032232129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88196480 + ... + 88207953.

It is an arithmetic number, because the mean of its divisors is an integer number (253052160573).

Almost surely, 2^{1012032232121} is an apocalyptic number.

It is an amenable number.

1012032232121 is a deficient number, since it is larger than the sum of its proper divisors (176410171).

1012032232121 is an equidigital number, since it uses as much as digits as its factorization.

1012032232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176410170.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1012032232121 its reverse (1212322302101), we get a palindrome (2224354534222).

The spelling of 1012032232121 in words is "one trillion, twelve billion, thirty-two million, two hundred thirty-two thousand, one hundred twenty-one".