20002012121294 has 24 divisors (see below), whose sum is σ = 35473625388648. Its totient is φ = 8431761547440.

The previous prime is 20002012121293. The next prime is 20002012121317. The reversal of 20002012121294 is 49212121020002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002012121293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1672962584 + ... + 1672974539.

It is an arithmetic number, because the mean of its divisors is an integer number (1478067724527).

Almost surely, 2^{20002012121294} is an apocalyptic number.

20002012121294 is a deficient number, since it is larger than the sum of its proper divisors (15471613267354).

20002012121294 is a wasteful number, since it uses less digits than its factorization.

20002012121294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345937200 (or 3345937193 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 20002012121294 its reverse (49212121020002), we get a palindrome (69214133141296).

The spelling of 20002012121294 in words is "twenty trillion, two billion, twelve million, one hundred twenty-one thousand, two hundred ninety-four".