196212122233987 has 2 divisors, whose sum is σ = 196212122233988. Its totient is φ = 196212122233986.

The previous prime is 196212122233951. The next prime is 196212122234033. The reversal of 196212122233987 is 789332221212691.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196212122233987 is a prime.

It is a super-4 number, since 4×196212122233987⁴ (a number of 58 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (196212122233927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98106061116993 + 98106061116994.

It is an arithmetic number, because the mean of its divisors is an integer number (98106061116994).

Almost surely, 2^{196212122233987} is an apocalyptic number.

196212122233987 is a deficient number, since it is larger than the sum of its proper divisors (1).

196212122233987 is an equidigital number, since it uses as much as digits as its factorization.

196212122233987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 58.

The spelling of 196212122233987 in words is "one hundred ninety-six trillion, two hundred twelve billion, one hundred twenty-two million, two hundred thirty-three thousand, nine hundred eighty-seven".