42212332042631 has 2 divisors, whose sum is σ = 42212332042632. Its totient is φ = 42212332042630.

The previous prime is 42212332042571. The next prime is 42212332042709. The reversal of 42212332042631 is 13624023321224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42212332042631 - 2⁴² = 37814285531527 is a prime.

It is a super-2 number, since 2×42212332042631² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42212332042591 and 42212332042600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42212332062631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21106166021315 + 21106166021316.

It is an arithmetic number, because the mean of its divisors is an integer number (21106166021316).

Almost surely, 2^{42212332042631} is an apocalyptic number.

42212332042631 is a deficient number, since it is larger than the sum of its proper divisors (1).

42212332042631 is an equidigital number, since it uses as much as digits as its factorization.

42212332042631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 42212332042631 its reverse (13624023321224), we get a palindrome (55836355363855).

The spelling of 42212332042631 in words is "forty-two trillion, two hundred twelve billion, three hundred thirty-two million, forty-two thousand, six hundred thirty-one".