122231211342 has 16 divisors (see below), whose sum is σ = 246328549632. Its totient is φ = 40432715960.

The previous prime is 122231211281. The next prime is 122231211343. The reversal of 122231211342 is 243112132221.

It is a super-2 number, since 2×122231211342² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122231211343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77754438 + ... + 77756009.

It is an arithmetic number, because the mean of its divisors is an integer number (15395534352).

Almost surely, 2^122231211342 is an apocalyptic number.

122231211342 is an abundant number, since it is smaller than the sum of its proper divisors (124097338290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122231211342 is a wasteful number, since it uses less digits than its factorization.

122231211342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155510583.

The product of its digits is 1152, while the sum is 24.

Adding to 122231211342 its reverse (243112132221), we get a palindrome (365343343563).

The spelling of 122231211342 in words is "one hundred twenty-two billion, two hundred thirty-one million, two hundred eleven thousand, three hundred forty-two".