212197918003 has 2 divisors, whose sum is σ = 212197918004. Its totient is φ = 212197918002.

The previous prime is 212197917961. The next prime is 212197918013. The reversal of 212197918003 is 300819791212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212197918003 - 2²⁵ = 212164363571 is a prime.

It is not a weakly prime, because it can be changed into another prime (212197918013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106098959001 + 106098959002.

It is an arithmetic number, because the mean of its divisors is an integer number (106098959002).

Almost surely, 2^212197918003 is an apocalyptic number.

212197918003 is a deficient number, since it is larger than the sum of its proper divisors (1).

212197918003 is an equidigital number, since it uses as much as digits as its factorization.

212197918003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 212197918003 in words is "two hundred twelve billion, one hundred ninety-seven million, nine hundred eighteen thousand, three".