12120020123033 has 4 divisors (see below), whose sum is σ = 12148808769828. Its totient is φ = 12091231476240.

The previous prime is 12120020122981. The next prime is 12120020123041. The reversal of 12120020123033 is 33032102002121.

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 2461425245449 + 9658594877584 = 1568893^2 + 3107828^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120020123033 - 2²⁴ = 12120003345817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120020122996 and 12120020123014.

It is not an unprimeable number, because it can be changed into a prime (12120020123053) 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, 14394322766 + ... + 14394323607.

It is an arithmetic number, because the mean of its divisors is an integer number (3037202192457).

Almost surely, 2^{12120020123033} is an apocalyptic number.

It is an amenable number.

12120020123033 is a deficient number, since it is larger than the sum of its proper divisors (28788646795).

12120020123033 is an equidigital number, since it uses as much as digits as its factorization.

12120020123033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28788646794.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12120020123033 its reverse (33032102002121), we get a palindrome (45152122125154).

The spelling of 12120020123033 in words is "twelve trillion, one hundred twenty billion, twenty million, one hundred twenty-three thousand, thirty-three".