1207917032123 has 2 divisors, whose sum is σ = 1207917032124. Its totient is φ = 1207917032122.

The previous prime is 1207917031967. The next prime is 1207917032129. The reversal of 1207917032123 is 3212307197021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1207917032123 is a prime.

It is a super-2 number, since 2×1207917032123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1207917032129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603958516061 + 603958516062.

It is an arithmetic number, because the mean of its divisors is an integer number (603958516062).

Almost surely, 2^{1207917032123} is an apocalyptic number.

1207917032123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1207917032123 is an equidigital number, since it uses as much as digits as its factorization.

1207917032123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The spelling of 1207917032123 in words is "one trillion, two hundred seven billion, nine hundred seventeen million, thirty-two thousand, one hundred twenty-three".