122135202554 has 32 divisors (see below), whose sum is σ = 192557520000. Its totient is φ = 57988396224.

The previous prime is 122135202529. The next prime is 122135202589. The reversal of 122135202554 is 455202531221.

It is a self number, because there is not a number n which added to its sum of digits gives 122135202554.

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 15 ways as a sum of consecutive naturals, for example, 16370477 + ... + 16377935.

It is an arithmetic number, because the mean of its divisors is an integer number (6017422500).

Almost surely, 2^122135202554 is an apocalyptic number.

122135202554 is a deficient number, since it is larger than the sum of its proper divisors (70422317446).

122135202554 is a wasteful number, since it uses less digits than its factorization.

122135202554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10022.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 122135202554 its reverse (455202531221), we get a palindrome (577337733775).

The spelling of 122135202554 in words is "one hundred twenty-two billion, one hundred thirty-five million, two hundred two thousand, five hundred fifty-four".