1212831696767 has 2 divisors, whose sum is σ = 1212831696768. Its totient is φ = 1212831696766.

The previous prime is 1212831696757. The next prime is 1212831696773. The reversal of 1212831696767 is 7676961382121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212831696767 - 2³² = 1208536729471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212831696757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606415848383 + 606415848384.

It is an arithmetic number, because the mean of its divisors is an integer number (606415848384).

Almost surely, 2^{1212831696767} is an apocalyptic number.

1212831696767 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212831696767 is an equidigital number, since it uses as much as digits as its factorization.

1212831696767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 59.

The spelling of 1212831696767 in words is "one trillion, two hundred twelve billion, eight hundred thirty-one million, six hundred ninety-six thousand, seven hundred sixty-seven".