2122312120387 has 2 divisors, whose sum is σ = 2122312120388. Its totient is φ = 2122312120386.

The previous prime is 2122312120381. The next prime is 2122312120417. The reversal of 2122312120387 is 7830212132212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122312120387 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122312120381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061156060193 + 1061156060194.

It is an arithmetic number, because the mean of its divisors is an integer number (1061156060194).

Almost surely, 2^{2122312120387} is an apocalyptic number.

2122312120387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122312120387 is an equidigital number, since it uses as much as digits as its factorization.

2122312120387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 2122312120387 its reverse (7830212132212), we get a palindrome (9952524252599).

The spelling of 2122312120387 in words is "two trillion, one hundred twenty-two billion, three hundred twelve million, one hundred twenty thousand, three hundred eighty-seven".