121000020212047 has 2 divisors, whose sum is σ = 121000020212048. Its totient is φ = 121000020212046.

The previous prime is 121000020211991. The next prime is 121000020212081. The reversal of 121000020212047 is 740212020000121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121000020212047 - 2³⁹ = 120450264398159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121000020212147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500010106023 + 60500010106024.

It is an arithmetic number, because the mean of its divisors is an integer number (60500010106024).

Almost surely, 2^{121000020212047} is an apocalyptic number.

121000020212047 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000020212047 is an equidigital number, since it uses as much as digits as its factorization.

121000020212047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 121000020212047 its reverse (740212020000121), we get a palindrome (861212040212168).

The spelling of 121000020212047 in words is "one hundred twenty-one trillion, twenty million, two hundred twelve thousand, forty-seven".