42120211224067 has 2 divisors, whose sum is σ = 42120211224068. Its totient is φ = 42120211224066.

The previous prime is 42120211224031. The next prime is 42120211224149. The reversal of 42120211224067 is 76042211202124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42120211224067 - 2⁷ = 42120211223939 is a prime.

It is a super-2 number, since 2×42120211224067² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42120211234067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21060105612033 + 21060105612034.

It is an arithmetic number, because the mean of its divisors is an integer number (21060105612034).

Almost surely, 2^{42120211224067} is an apocalyptic number.

42120211224067 is a deficient number, since it is larger than the sum of its proper divisors (1).

42120211224067 is an equidigital number, since it uses as much as digits as its factorization.

42120211224067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 42120211224067 in words is "forty-two trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty-four thousand, sixty-seven".