123212010329 has 2 divisors, whose sum is σ = 123212010330. Its totient is φ = 123212010328.

The previous prime is 123212010199. The next prime is 123212010353. The reversal of 123212010329 is 923010212321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117278851600 + 5933158729 = 342460^2 + 77027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123212010329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123212010298 and 123212010307.

It is not a weakly prime, because it can be changed into another prime (123212010529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61606005164 + 61606005165.

It is an arithmetic number, because the mean of its divisors is an integer number (61606005165).

Almost surely, 2^123212010329 is an apocalyptic number.

It is an amenable number.

123212010329 is a deficient number, since it is larger than the sum of its proper divisors (1).

123212010329 is an equidigital number, since it uses as much as digits as its factorization.

123212010329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 123212010329 in words is "one hundred twenty-three billion, two hundred twelve million, ten thousand, three hundred twenty-nine".