20121334250434 has 8 divisors (see below), whose sum is σ = 30185405259408. Its totient is φ = 10059532497300.

The previous prime is 20121334250359. The next prime is 20121334250441. The reversal of 20121334250434 is 43405243312102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20121334250434.

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, 567291792 + ... + 567327259.

It is an arithmetic number, because the mean of its divisors is an integer number (3773175657426).

Almost surely, 2^{20121334250434} is an apocalyptic number.

20121334250434 is a deficient number, since it is larger than the sum of its proper divisors (10064071008974).

20121334250434 is a wasteful number, since it uses less digits than its factorization.

20121334250434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134627920.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 20121334250434 its reverse (43405243312102), we get a palindrome (63526577562536).

The spelling of 20121334250434 in words is "twenty trillion, one hundred twenty-one billion, three hundred thirty-four million, two hundred fifty thousand, four hundred thirty-four".