2123020130002 has 4 divisors (see below), whose sum is σ = 3184530195006. Its totient is φ = 1061510065000.

The previous prime is 2123020129933. The next prime is 2123020130027. The reversal of 2123020130002 is 2000310203212.

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

It can be written as a sum of positive squares in only one way, i.e., 2090363664481 + 32656465521 = 1445809^2 + 180711^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530755032499 + ... + 530755032502.

Almost surely, 2^{2123020130002} is an apocalyptic number.

2123020130002 is a deficient number, since it is larger than the sum of its proper divisors (1061510065004).

2123020130002 is a wasteful number, since it uses less digits than its factorization.

2123020130002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061510065003.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2123020130002 its reverse (2000310203212), we get a palindrome (4123330333214).

The spelling of 2123020130002 in words is "two trillion, one hundred twenty-three billion, twenty million, one hundred thirty thousand, two".