20121013030 has 8 divisors (see below), whose sum is σ = 36217823472. Its totient is φ = 8048405208.

The previous prime is 20121012953. The next prime is 20121013037. The reversal of 20121013030 is 3031012102.

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 20121013030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121013037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006050642 + ... + 1006050661.

It is an arithmetic number, because the mean of its divisors is an integer number (4527227934).

Almost surely, 2^20121013030 is an apocalyptic number.

20121013030 is a deficient number, since it is larger than the sum of its proper divisors (16096810442).

20121013030 is a wasteful number, since it uses less digits than its factorization.

20121013030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012101310.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20121013030 its reverse (3031012102), we get a palindrome (23152025132).

The spelling of 20121013030 in words is "twenty billion, one hundred twenty-one million, thirteen thousand, thirty".