1232020030121 has 4 divisors (see below), whose sum is σ = 1232022710100. Its totient is φ = 1232017350144.

The previous prime is 1232020030051. The next prime is 1232020030133. The reversal of 1232020030121 is 1210300202321.

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 392577433600 + 839442596521 = 626560^2 + 916211^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232020030121 - 2¹⁴ = 1232020013737 is a prime.

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 1232020030121.

It is not an unprimeable number, because it can be changed into a prime (1232020030181) 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, 456056 + ... + 1634633.

It is an arithmetic number, because the mean of its divisors is an integer number (308005677525).

Almost surely, 2^{1232020030121} is an apocalyptic number.

It is an amenable number.

1232020030121 is a deficient number, since it is larger than the sum of its proper divisors (2679979).

1232020030121 is an equidigital number, since it uses as much as digits as its factorization.

1232020030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679978.

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

Adding to 1232020030121 its reverse (1210300202321), we get a palindrome (2442320232442).

The spelling of 1232020030121 in words is "one trillion, two hundred thirty-two billion, twenty million, thirty thousand, one hundred twenty-one".