2120312134 has 4 divisors (see below), whose sum is σ = 3180468204. Its totient is φ = 1060156066.

The previous prime is 2120312123. The next prime is 2120312141. The reversal of 2120312134 is 4312130212.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530078032 + ... + 530078035.

It is an arithmetic number, because the mean of its divisors is an integer number (795117051).

Almost surely, 2^2120312134 is an apocalyptic number.

2120312134 is a deficient number, since it is larger than the sum of its proper divisors (1060156070).

2120312134 is a wasteful number, since it uses less digits than its factorization.

2120312134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060156069.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2120312134 is about 46046.8471667714. The cubic root of 2120312134 is about 1284.6947013509.

Adding to 2120312134 its reverse (4312130212), we get a palindrome (6432442346).

The spelling of 2120312134 in words is "two billion, one hundred twenty million, three hundred twelve thousand, one hundred thirty-four".