12146023651 has 2 divisors, whose sum is σ = 12146023652. Its totient is φ = 12146023650.

The previous prime is 12146023583. The next prime is 12146023717. The reversal of 12146023651 is 15632064121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12146023651 - 2⁹ = 12146023139 is a prime.

It is not a weakly prime, because it can be changed into another prime (12146023951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073011825 + 6073011826.

It is an arithmetic number, because the mean of its divisors is an integer number (6073011826).

Almost surely, 2^12146023651 is an apocalyptic number.

12146023651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12146023651 is an equidigital number, since it uses as much as digits as its factorization.

12146023651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 12146023651 its reverse (15632064121), we get a palindrome (27778087772).

The spelling of 12146023651 in words is "twelve billion, one hundred forty-six million, twenty-three thousand, six hundred fifty-one".