1220552124971 has 2 divisors, whose sum is σ = 1220552124972. Its totient is φ = 1220552124970.

The previous prime is 1220552124949. The next prime is 1220552125081. The reversal of 1220552124971 is 1794212550221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220552124971 - 2³⁰ = 1219478383147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220552124901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610276062485 + 610276062486.

It is an arithmetic number, because the mean of its divisors is an integer number (610276062486).

Almost surely, 2^{1220552124971} is an apocalyptic number.

1220552124971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220552124971 is an equidigital number, since it uses as much as digits as its factorization.

1220552124971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 1220552124971 in words is "one trillion, two hundred twenty billion, five hundred fifty-two million, one hundred twenty-four thousand, nine hundred seventy-one".