122072801693 has 2 divisors, whose sum is σ = 122072801694. Its totient is φ = 122072801692.

The previous prime is 122072801671. The next prime is 122072801791. The reversal of 122072801693 is 396108270221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82836322969 + 39236478724 = 287813^2 + 198082^2 .

It is a cyclic number.

It is not a de Polignac number, because 122072801693 - 2¹⁶ = 122072736157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122072801693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122072801603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61036400846 + 61036400847.

It is an arithmetic number, because the mean of its divisors is an integer number (61036400847).

Almost surely, 2^122072801693 is an apocalyptic number.

It is an amenable number.

122072801693 is a deficient number, since it is larger than the sum of its proper divisors (1).

122072801693 is an equidigital number, since it uses as much as digits as its factorization.

122072801693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 122072801693 in words is "one hundred twenty-two billion, seventy-two million, eight hundred one thousand, six hundred ninety-three".