122516012445 has 32 divisors (see below), whose sum is σ = 196584072960. Its totient is φ = 65155898880.

The previous prime is 122516012371. The next prime is 122516012459. The reversal of 122516012445 is 544210615221.

It is a happy number.

It is not a de Polignac number, because 122516012445 - 2⁸ = 122516012189 is a prime.

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, 14621097 + ... + 14629473.

It is an arithmetic number, because the mean of its divisors is an integer number (6143252280).

Almost surely, 2^122516012445 is an apocalyptic number.

122516012445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122516012445 is a deficient number, since it is larger than the sum of its proper divisors (74068060515).

122516012445 is a wasteful number, since it uses less digits than its factorization.

122516012445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11045.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 122516012445 its reverse (544210615221), we get a palindrome (666726627666).

The spelling of 122516012445 in words is "one hundred twenty-two billion, five hundred sixteen million, twelve thousand, four hundred forty-five".