2120123333013 has 16 divisors (see below), whose sum is σ = 3305795851776. Its totient is φ = 1183324650480.

The previous prime is 2120123332991. The next prime is 2120123333017. The reversal of 2120123333013 is 3103333210212.

It is not a de Polignac number, because 2120123333013 - 2²⁰ = 2120122284437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120123333017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1173932283 + ... + 1173934088.

It is an arithmetic number, because the mean of its divisors is an integer number (206612240736).

Almost surely, 2^{2120123333013} is an apocalyptic number.

It is an amenable number.

2120123333013 is a deficient number, since it is larger than the sum of its proper divisors (1185672518763).

2120123333013 is a wasteful number, since it uses less digits than its factorization.

2120123333013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347866424.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 2120123333013 its reverse (3103333210212), we get a palindrome (5223456543225).

The spelling of 2120123333013 in words is "two trillion, one hundred twenty billion, one hundred twenty-three million, three hundred thirty-three thousand, thirteen".