10203212147 has 2 divisors, whose sum is σ = 10203212148. Its totient is φ = 10203212146.

The previous prime is 10203212143. The next prime is 10203212171. The reversal of 10203212147 is 74121230201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10203212147 - 2² = 10203212143 is a prime.

It is not a weakly prime, because it can be changed into another prime (10203212143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101606073 + 5101606074.

It is an arithmetic number, because the mean of its divisors is an integer number (5101606074).

Almost surely, 2^10203212147 is an apocalyptic number.

10203212147 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203212147 is an equidigital number, since it uses as much as digits as its factorization.

10203212147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 10203212147 its reverse (74121230201), we get a palindrome (84324442348).

The spelling of 10203212147 in words is "ten billion, two hundred three million, two hundred twelve thousand, one hundred forty-seven".