1213651453367 has 2 divisors, whose sum is σ = 1213651453368. Its totient is φ = 1213651453366.

The previous prime is 1213651453291. The next prime is 1213651453369. The reversal of 1213651453367 is 7633541563121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213651453367 - 2¹⁶ = 1213651387831 is a prime.

Together with 1213651453369, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213651453369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606825726683 + 606825726684.

It is an arithmetic number, because the mean of its divisors is an integer number (606825726684).

Almost surely, 2^{1213651453367} is an apocalyptic number.

1213651453367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213651453367 is an equidigital number, since it uses as much as digits as its factorization.

1213651453367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 47.

The spelling of 1213651453367 in words is "one trillion, two hundred thirteen billion, six hundred fifty-one million, four hundred fifty-three thousand, three hundred sixty-seven".