20012312033130 has 64 divisors (see below), whose sum is σ = 48061624762368. Its totient is φ = 5333053535040.

The previous prime is 20012312033113. The next prime is 20012312033137. The reversal of 20012312033130 is 3133021321002.

It is a super-2 number, since 2×20012312033130² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20012312033097 and 20012312033106.

It is not an unprimeable number, because it can be changed into a prime (20012312033137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376945447 + ... + 376998533.

It is an arithmetic number, because the mean of its divisors is an integer number (750962886912).

Almost surely, 2^{20012312033130} is an apocalyptic number.

20012312033130 is an abundant number, since it is smaller than the sum of its proper divisors (28049312729238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20012312033130 is a wasteful number, since it uses less digits than its factorization.

20012312033130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61251.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20012312033130 its reverse (3133021321002), we get a palindrome (23145333354132).

The spelling of 20012312033130 in words is "twenty trillion, twelve billion, three hundred twelve million, thirty-three thousand, one hundred thirty".