200123121130 has 16 divisors (see below), whose sum is σ = 360329303520. Its totient is φ = 80025318352.

The previous prime is 200123121127. The next prime is 200123121137. The reversal of 200123121130 is 31121321002.

It is a super-2 number, since 2×200123121130² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200123121137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2956120 + ... + 3023059.

It is an arithmetic number, because the mean of its divisors is an integer number (22520581470).

Almost surely, 2^200123121130 is an apocalyptic number.

200123121130 is a deficient number, since it is larger than the sum of its proper divisors (160206182390).

200123121130 is a wasteful number, since it uses less digits than its factorization.

200123121130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5982533.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 200123121130 its reverse (31121321002), we get a palindrome (231244442132).

The spelling of 200123121130 in words is "two hundred billion, one hundred twenty-three million, one hundred twenty-one thousand, one hundred thirty".