122735412650 has 24 divisors (see below), whose sum is σ = 233855868204. Its totient is φ = 47896745600.

The previous prime is 122735412649. The next prime is 122735412721. The reversal of 122735412650 is 56214537221.

It can be written as a sum of positive squares in 6 ways, for example, as 41995895041 + 80739517609 = 204929^2 + 284147^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29933417 + ... + 29937516.

Almost surely, 2^122735412650 is an apocalyptic number.

122735412650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122735412650 is a deficient number, since it is larger than the sum of its proper divisors (111120455554).

122735412650 is a wasteful number, since it uses less digits than its factorization.

122735412650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59870986 (or 59870981 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

Adding to 122735412650 its reverse (56214537221), we get a palindrome (178949949871).

The spelling of 122735412650 in words is "one hundred twenty-two billion, seven hundred thirty-five million, four hundred twelve thousand, six hundred fifty".