1012212427 has 2 divisors, whose sum is σ = 1012212428. Its totient is φ = 1012212426.

The previous prime is 1012212413. The next prime is 1012212431. The reversal of 1012212427 is 7242122101.

1012212427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012212427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012212398 and 1012212407.

It is not a weakly prime, because it can be changed into another prime (1012212407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506106213 + 506106214.

It is an arithmetic number, because the mean of its divisors is an integer number (506106214).

Almost surely, 2^1012212427 is an apocalyptic number.

1012212427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012212427 is an equidigital number, since it uses as much as digits as its factorization.

1012212427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1012212427 is about 31815.2860587486. The cubic root of 1012212427 is about 1004.0543490391.

Adding to 1012212427 its reverse (7242122101), we get a palindrome (8254334528).

The spelling of 1012212427 in words is "one billion, twelve million, two hundred twelve thousand, four hundred twenty-seven".