20121313313030 has 8 divisors (see below), whose sum is σ = 36218363963472. Its totient is φ = 8048525325208.

The previous prime is 20121313313027. The next prime is 20121313313033. The reversal of 20121313313030 is 3031331312102.

It is an interprime number because it is at equal distance from previous prime (20121313313027) and next prime (20121313313033).

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

It is a super-2 number, since 2×20121313313030² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20121313312987 and 20121313313005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121313313033) 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, 1006065665642 + ... + 1006065665661.

It is an arithmetic number, because the mean of its divisors is an integer number (4527295495434).

Almost surely, 2^{20121313313030} is an apocalyptic number.

20121313313030 is a deficient number, since it is larger than the sum of its proper divisors (16097050650442).

20121313313030 is a wasteful number, since it uses less digits than its factorization.

20121313313030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012131331310.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20121313313030 its reverse (3031331312102), we get a palindrome (23152644625132).

The spelling of 20121313313030 in words is "twenty trillion, one hundred twenty-one billion, three hundred thirteen million, three hundred thirteen thousand, thirty".