122412049565 has 16 divisors (see below), whose sum is σ = 158212790400. Its totient is φ = 90385872192.

The previous prime is 122412049393. The next prime is 122412049631. The reversal of 122412049565 is 565940214221.

It is a cyclic number.

It is not a de Polignac number, because 122412049565 - 2¹⁰ = 122412048541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463376 + ... + 677894.

It is an arithmetic number, because the mean of its divisors is an integer number (9888299400).

Almost surely, 2^122412049565 is an apocalyptic number.

It is an amenable number.

122412049565 is a deficient number, since it is larger than the sum of its proper divisors (35800740835).

122412049565 is a wasteful number, since it uses less digits than its factorization.

122412049565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223316.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 122412049565 in words is "one hundred twenty-two billion, four hundred twelve million, forty-nine thousand, five hundred sixty-five".