123221012000087 has 2 divisors, whose sum is σ = 123221012000088. Its totient is φ = 123221012000086.

The previous prime is 123221012000081. The next prime is 123221012000143. The reversal of 123221012000087 is 780000210122321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123221012000087 - 2⁴⁶ = 52852267822423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123221012000081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61610506000043 + 61610506000044.

It is an arithmetic number, because the mean of its divisors is an integer number (61610506000044).

Almost surely, 2^{123221012000087} is an apocalyptic number.

123221012000087 is a deficient number, since it is larger than the sum of its proper divisors (1).

123221012000087 is an equidigital number, since it uses as much as digits as its factorization.

123221012000087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 123221012000087 in words is "one hundred twenty-three trillion, two hundred twenty-one billion, twelve million, eighty-seven", and thus it is an aban number.