20122012061 has 2 divisors, whose sum is σ = 20122012062. Its totient is φ = 20122012060.

The previous prime is 20122012033. The next prime is 20122012063. The reversal of 20122012061 is 16021022102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20101851961 + 20160100 = 141781^2 + 4490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20122012061 is a prime.

Together with 20122012063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122012063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061006030 + 10061006031.

It is an arithmetic number, because the mean of its divisors is an integer number (10061006031).

Almost surely, 2^20122012061 is an apocalyptic number.

It is an amenable number.

20122012061 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122012061 is an equidigital number, since it uses as much as digits as its factorization.

20122012061 is an evil number, because the sum of its binary digits is even.

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

Adding to 20122012061 its reverse (16021022102), we get a palindrome (36143034163).

The spelling of 20122012061 in words is "twenty billion, one hundred twenty-two million, twelve thousand, sixty-one".