212000001803 has 2 divisors, whose sum is σ = 212000001804. Its totient is φ = 212000001802.

The previous prime is 212000001761. The next prime is 212000001821. The reversal of 212000001803 is 308100000212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212000001803 - 2⁸ = 212000001547 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (212000001893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000000901 + 106000000902.

It is an arithmetic number, because the mean of its divisors is an integer number (106000000902).

Almost surely, 2^212000001803 is an apocalyptic number.

212000001803 is a deficient number, since it is larger than the sum of its proper divisors (1).

212000001803 is an equidigital number, since it uses as much as digits as its factorization.

212000001803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The spelling of 212000001803 in words is "two hundred twelve billion, one thousand, eight hundred three".