122012040355 has 4 divisors (see below), whose sum is σ = 146414448432. Its totient is φ = 97609632280.

The previous prime is 122012040341. The next prime is 122012040379. The reversal of 122012040355 is 553040210221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553040210221 = 853 ⋅648347257.

It is not a de Polignac number, because 122012040355 - 2¹¹ = 122012038307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12201204031 + ... + 12201204040.

It is an arithmetic number, because the mean of its divisors is an integer number (36603612108).

Almost surely, 2^122012040355 is an apocalyptic number.

122012040355 is a deficient number, since it is larger than the sum of its proper divisors (24402408077).

122012040355 is an equidigital number, since it uses as much as digits as its factorization.

122012040355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24402408076.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 122012040355 its reverse (553040210221), we get a palindrome (675052250576).

The spelling of 122012040355 in words is "one hundred twenty-two billion, twelve million, forty thousand, three hundred fifty-five".