122142240999 has 6 divisors (see below), whose sum is σ = 176427681456. Its totient is φ = 81428160660.

The previous prime is 122142240893. The next prime is 122142241031. The reversal of 122142240999 is 999042241221.

It is a happy number.

122142240999 is a `hidden beast` number, since 1 + 2 + 214 + 22 + 409 + 9 + 9 = 666.

It is not a de Polignac number, because 122142240999 - 2²¹ = 122140143847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122142240799) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6785680047 + ... + 6785680064.

It is an arithmetic number, because the mean of its divisors is an integer number (29404613576).

Almost surely, 2^122142240999 is an apocalyptic number.

122142240999 is a deficient number, since it is larger than the sum of its proper divisors (54285440457).

122142240999 is a wasteful number, since it uses less digits than its factorization.

122142240999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13571360117 (or 13571360114 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 122142240999 in words is "one hundred twenty-two billion, one hundred forty-two million, two hundred forty thousand, nine hundred ninety-nine".