122130422402312 has 8 divisors (see below), whose sum is σ = 228994542004350. Its totient is φ = 61065211201152.

The previous prime is 122130422402281. The next prime is 122130422402371. The reversal of 122130422402312 is 213204224031221.

It can be written as a sum of positive squares in only one way, i.e., 105400899052036 + 16729523350276 = 10266494^2 + 4090174^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7633151400137 + ... + 7633151400152.

Almost surely, 2^{122130422402312} is an apocalyptic number.

It is an amenable number.

122130422402312 is a deficient number, since it is larger than the sum of its proper divisors (106864119602038).

122130422402312 is a wasteful number, since it uses less digits than its factorization.

122130422402312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15266302800295 (or 15266302800291 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 122130422402312 its reverse (213204224031221), we get a palindrome (335334646433533).

The spelling of 122130422402312 in words is "one hundred twenty-two trillion, one hundred thirty billion, four hundred twenty-two million, four hundred two thousand, three hundred twelve".