122231011312 has 10 divisors (see below), whose sum is σ = 236822584448. Its totient is φ = 61115505648.

The previous prime is 122231011297. The next prime is 122231011327. The reversal of 122231011312 is 213110132221.

It is an interprime number because it is at equal distance from previous prime (122231011297) and next prime (122231011327).

It is a super-2 number, since 2×122231011312² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122231011312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3819719088 + ... + 3819719119.

Almost surely, 2^122231011312 is an apocalyptic number.

It is an amenable number.

122231011312 is a deficient number, since it is larger than the sum of its proper divisors (114591573136).

122231011312 is an equidigital number, since it uses as much as digits as its factorization.

122231011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7639438215 (or 7639438209 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 122231011312 its reverse (213110132221), we get a palindrome (335341143533).

The spelling of 122231011312 in words is "one hundred twenty-two billion, two hundred thirty-one million, eleven thousand, three hundred twelve".