2121130012130 has 32 divisors (see below), whose sum is σ = 3899799800064. Its totient is φ = 830286749056.

The previous prime is 2121130012109. The next prime is 2121130012139. The reversal of 2121130012130 is 312100311212.

It is a super-2 number, since 2×2121130012130² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121130012099 and 2121130012108.

It is not an unprimeable number, because it can be changed into a prime (2121130012139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3189929 + ... + 3797091.

It is an arithmetic number, because the mean of its divisors is an integer number (121868743752).

Almost surely, 2^{2121130012130} is an apocalyptic number.

2121130012130 is a deficient number, since it is larger than the sum of its proper divisors (1778669787934).

2121130012130 is a wasteful number, since it uses less digits than its factorization.

2121130012130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614650.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2121130012130 its reverse (312100311212), we get a palindrome (2433230323342).

The spelling of 2121130012130 in words is "two trillion, one hundred twenty-one billion, one hundred thirty million, twelve thousand, one hundred thirty".