2130123343204 has 12 divisors (see below), whose sum is σ = 3856257776700. Its totient is φ = 1028335407008.

The previous prime is 2130123343151. The next prime is 2130123343207. The reversal of 2130123343204 is 4023433210312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 514433217600 + 1615690125604 = 717240^2 + 1271098^2 .

It is not an unprimeable number, because it can be changed into a prime (2130123343207) 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, 9181566019 + ... + 9181566250.

It is an arithmetic number, because the mean of its divisors is an integer number (321354814725).

Almost surely, 2^{2130123343204} is an apocalyptic number.

It is an amenable number.

2130123343204 is a deficient number, since it is larger than the sum of its proper divisors (1726134433496).

2130123343204 is a wasteful number, since it uses less digits than its factorization.

2130123343204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18363132302 (or 18363132300 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 2130123343204 its reverse (4023433210312), we get a palindrome (6153556553516).

The spelling of 2130123343204 in words is "two trillion, one hundred thirty billion, one hundred twenty-three million, three hundred forty-three thousand, two hundred four".