122306201250646 has 64 divisors (see below), whose sum is σ = 219497692078080. Its totient is φ = 50007494880000.

The previous prime is 122306201250599. The next prime is 122306201250683. The reversal of 122306201250646 is 646052102603221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122306201250599 and 122306201250608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388129720 + ... + 388444708.

It is an arithmetic number, because the mean of its divisors is an integer number (3429651438720).

Almost surely, 2^{122306201250646} is an apocalyptic number.

122306201250646 is a deficient number, since it is larger than the sum of its proper divisors (97191490827434).

122306201250646 is a wasteful number, since it uses less digits than its factorization.

122306201250646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327701.

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 122306201250646 its reverse (646052102603221), we get a palindrome (768358303853867).

The spelling of 122306201250646 in words is "one hundred twenty-two trillion, three hundred six billion, two hundred one million, two hundred fifty thousand, six hundred forty-six".