1212344667677 has 32 divisors (see below), whose sum is σ = 1464968942976. Its totient is φ = 988543180800.

The previous prime is 1212344667613. The next prime is 1212344667697. The reversal of 1212344667677 is 7767664432121.

It is a cyclic number.

It is not a de Polignac number, because 1212344667677 - 2⁶ = 1212344667613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212344667697) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 675977 + ... + 1697537.

It is an arithmetic number, because the mean of its divisors is an integer number (45780279468).

Almost surely, 2^{1212344667677} is an apocalyptic number.

It is an amenable number.

1212344667677 is a deficient number, since it is larger than the sum of its proper divisors (252624275299).

1212344667677 is a wasteful number, since it uses less digits than its factorization.

1212344667677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021821.

The product of its digits is 14224896, while the sum is 56.

The spelling of 1212344667677 in words is "one trillion, two hundred twelve billion, three hundred forty-four million, six hundred sixty-seven thousand, six hundred seventy-seven".