122215427732 has 12 divisors (see below), whose sum is σ = 213936715776. Its totient is φ = 61090651800.

The previous prime is 122215427729. The next prime is 122215427771. The reversal of 122215427732 is 237724512221.

It is a super-2 number, since 2×122215427732² (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, 4249394 + ... + 4278057.

It is an arithmetic number, because the mean of its divisors is an integer number (17828059648).

Almost surely, 2^122215427732 is an apocalyptic number.

It is an amenable number.

122215427732 is a deficient number, since it is larger than the sum of its proper divisors (91721288044).

122215427732 is a wasteful number, since it uses less digits than its factorization.

122215427732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8531038 (or 8531036 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

Adding to 122215427732 its reverse (237724512221), we get a palindrome (359939939953).

The spelling of 122215427732 in words is "one hundred twenty-two billion, two hundred fifteen million, four hundred twenty-seven thousand, seven hundred thirty-two".