123331212197 has 2 divisors, whose sum is σ = 123331212198. Its totient is φ = 123331212196.

The previous prime is 123331212167. The next prime is 123331212239. The reversal of 123331212197 is 791212133321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77398578436 + 45932633761 = 278206^2 + 214319^2 .

It is a cyclic number.

It is not a de Polignac number, because 123331212197 - 2¹² = 123331208101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123331212167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61665606098 + 61665606099.

It is an arithmetic number, because the mean of its divisors is an integer number (61665606099).

Almost surely, 2^123331212197 is an apocalyptic number.

It is an amenable number.

123331212197 is a deficient number, since it is larger than the sum of its proper divisors (1).

123331212197 is an equidigital number, since it uses as much as digits as its factorization.

123331212197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The spelling of 123331212197 in words is "one hundred twenty-three billion, three hundred thirty-one million, two hundred twelve thousand, one hundred ninety-seven".