20121034140304 has 20 divisors (see below), whose sum is σ = 39003237254700. Its totient is φ = 10055682590720.

The previous prime is 20121034140293. The next prime is 20121034140349. The reversal of 20121034140304 is 40304143012102.

It can be written as a sum of positive squares in 2 ways, for example, as 15634906810000 + 4486127330304 = 3954100^2 + 2118048^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302120629 + ... + 302187220.

It is an arithmetic number, because the mean of its divisors is an integer number (1950161862735).

Almost surely, 2^{20121034140304} is an apocalyptic number.

It is an amenable number.

20121034140304 is a deficient number, since it is larger than the sum of its proper divisors (18882203114396).

20121034140304 is a wasteful number, since it uses less digits than its factorization.

20121034140304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604309938 (or 604309932 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20121034140304 its reverse (40304143012102), we get a palindrome (60425177152406).

The spelling of 20121034140304 in words is "twenty trillion, one hundred twenty-one billion, thirty-four million, one hundred forty thousand, three hundred four".