121232001047 has 2 divisors, whose sum is σ = 121232001048. Its totient is φ = 121232001046.

The previous prime is 121232000963. The next prime is 121232001089. The reversal of 121232001047 is 740100232121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121232001047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121232001347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60616000523 + 60616000524.

It is an arithmetic number, because the mean of its divisors is an integer number (60616000524).

Almost surely, 2^121232001047 is an apocalyptic number.

121232001047 is a deficient number, since it is larger than the sum of its proper divisors (1).

121232001047 is an equidigital number, since it uses as much as digits as its factorization.

121232001047 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 121232001047 its reverse (740100232121), we get a palindrome (861332233168).

The spelling of 121232001047 in words is "one hundred twenty-one billion, two hundred thirty-two million, one thousand, forty-seven".