1612012427 has 2 divisors, whose sum is σ = 1612012428. Its totient is φ = 1612012426.

The previous prime is 1612012379. The next prime is 1612012433. The reversal of 1612012427 is 7242102161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1612012427 - 2²⁴ = 1595235211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1612012396 and 1612012405.

It is not a weakly prime, because it can be changed into another prime (1612012487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806006213 + 806006214.

It is an arithmetic number, because the mean of its divisors is an integer number (806006214).

Almost surely, 2^1612012427 is an apocalyptic number.

1612012427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612012427 is an equidigital number, since it uses as much as digits as its factorization.

1612012427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1612012427 is about 40149.8745577119. The cubic root of 1612012427 is about 1172.5268462960.

Adding to 1612012427 its reverse (7242102161), we get a palindrome (8854114588).

The spelling of 1612012427 in words is "one billion, six hundred twelve million, twelve thousand, four hundred twenty-seven".