102012020147 has 2 divisors, whose sum is σ = 102012020148. Its totient is φ = 102012020146.

The previous prime is 102012020057. The next prime is 102012020153. The reversal of 102012020147 is 741020210201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102012020147 - 2²⁶ = 101944911283 is a prime.

It is not a weakly prime, because it can be changed into another prime (102012020177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006010073 + 51006010074.

It is an arithmetic number, because the mean of its divisors is an integer number (51006010074).

Almost surely, 2^102012020147 is an apocalyptic number.

102012020147 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012020147 is an equidigital number, since it uses as much as digits as its factorization.

102012020147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 102012020147 its reverse (741020210201), we get a palindrome (843032230348).

The spelling of 102012020147 in words is "one hundred two billion, twelve million, twenty thousand, one hundred forty-seven".