122101252042 has 16 divisors (see below), whose sum is σ = 228345198912. Its totient is φ = 47571916320.

The previous prime is 122101252037. The next prime is 122101252099. The reversal of 122101252042 is 240252101221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396432483 + ... + 396432790.

It is an arithmetic number, because the mean of its divisors is an integer number (14271574932).

Almost surely, 2^122101252042 is an apocalyptic number.

122101252042 is a deficient number, since it is larger than the sum of its proper divisors (106243946870).

122101252042 is a wasteful number, since it uses less digits than its factorization.

122101252042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792865293.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 122101252042 its reverse (240252101221), we get a palindrome (362353353263).

The spelling of 122101252042 in words is "one hundred twenty-two billion, one hundred one million, two hundred fifty-two thousand, forty-two".