2120123030 has 32 divisors (see below), whose sum is σ = 3859051680. Its totient is φ = 838563840.

The previous prime is 2120123011. The next prime is 2120123069. The reversal of 2120123030 is 303210212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2120122996 and 2120123014.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 627245 + ... + 630615.

It is an arithmetic number, because the mean of its divisors is an integer number (120595365).

Almost surely, 2^2120123030 is an apocalyptic number.

2120123030 is a deficient number, since it is larger than the sum of its proper divisors (1738928650).

2120123030 is a wasteful number, since it uses less digits than its factorization.

2120123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2120123030 is about 46044.7937339283. The cubic root of 2120123030 is about 1284.6565075829.

Adding to 2120123030 its reverse (303210212), we get a palindrome (2423333242).

The spelling of 2120123030 in words is "two billion, one hundred twenty million, one hundred twenty-three thousand, thirty".