122140304213 has 4 divisors (see below), whose sum is σ = 124980776448. Its totient is φ = 119299831980.

The previous prime is 122140304201. The next prime is 122140304257. The reversal of 122140304213 is 312403041221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312403041221 = 8431 ⋅37054091.

It is a cyclic number.

It is not a de Polignac number, because 122140304213 - 2³⁰ = 121066562389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122140304263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420236053 + ... + 1420236138.

It is an arithmetic number, because the mean of its divisors is an integer number (31245194112).

Almost surely, 2^122140304213 is an apocalyptic number.

It is an amenable number.

122140304213 is a deficient number, since it is larger than the sum of its proper divisors (2840472235).

122140304213 is an equidigital number, since it uses as much as digits as its factorization.

122140304213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840472234.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 122140304213 its reverse (312403041221), we get a palindrome (434543345434).

The spelling of 122140304213 in words is "one hundred twenty-two billion, one hundred forty million, three hundred four thousand, two hundred thirteen".