122232545012 has 12 divisors (see below), whose sum is σ = 213943603776. Its totient is φ = 61105801080.

The previous prime is 122232544997. The next prime is 122232545021. The reversal of 122232545012 is 210545232221.

It is a happy number.

It is a super-2 number, since 2×122232545012² (a number of 23 digits) contains 22 as substring.

It is a congruent 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, 2591564 + ... + 2638307.

It is an arithmetic number, because the mean of its divisors is an integer number (17828633648).

Almost surely, 2^122232545012 is an apocalyptic number.

It is an amenable number.

122232545012 is a deficient number, since it is larger than the sum of its proper divisors (91711058764).

122232545012 is a wasteful number, since it uses less digits than its factorization.

122232545012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5235718 (or 5235716 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 122232545012 its reverse (210545232221), we get a palindrome (332777777233).

The spelling of 122232545012 in words is "one hundred twenty-two billion, two hundred thirty-two million, five hundred forty-five thousand, twelve".