20120022012113 has 8 divisors (see below), whose sum is σ = 20128104681960. Its totient is φ = 20111940046080.

The previous prime is 20120022012091. The next prime is 20120022012119. The reversal of 20120022012113 is 31121022002102.

It can be written as a sum of positive squares in 4 ways, for example, as 2553965160769 + 17566056851344 = 1598113^2 + 4191188^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20120022012113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20120022012091 and 20120022012100.

It is not an unprimeable number, because it can be changed into a prime (20120022012119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61288553 + ... + 61615961.

It is an arithmetic number, because the mean of its divisors is an integer number (2516013085245).

Almost surely, 2^{20120022012113} is an apocalyptic number.

It is an amenable number.

20120022012113 is a deficient number, since it is larger than the sum of its proper divisors (8082669847).

20120022012113 is a wasteful number, since it uses less digits than its factorization.

20120022012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351907.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20120022012113 its reverse (31121022002102), we get a palindrome (51241044014215).

The spelling of 20120022012113 in words is "twenty trillion, one hundred twenty billion, twenty-two million, twelve thousand, one hundred thirteen".