203212019963 has 2 divisors, whose sum is σ = 203212019964. Its totient is φ = 203212019962.

The previous prime is 203212019951. The next prime is 203212020001. The reversal of 203212019963 is 369910212302.

It is a happy number.

It is an a-pointer prime, because the next prime (203212020001) can be obtained adding 203212019963 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203212019963 - 2²² = 203207825659 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (203212019363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101606009981 + 101606009982.

It is an arithmetic number, because the mean of its divisors is an integer number (101606009982).

Almost surely, 2^203212019963 is an apocalyptic number.

203212019963 is a deficient number, since it is larger than the sum of its proper divisors (1).

203212019963 is an equidigital number, since it uses as much as digits as its factorization.

203212019963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 203212019963 in words is "two hundred three billion, two hundred twelve million, nineteen thousand, nine hundred sixty-three".