122012211072 has 64 divisors (see below), whose sum is σ = 328197484800. Its totient is φ = 40155907584.

The previous prime is 122012211071. The next prime is 122012211119. The reversal of 122012211072 is 270112210221.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012211071) 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, 1980678 + ... + 2041349.

It is an arithmetic number, because the mean of its divisors is an integer number (5128085700).

Almost surely, 2^122012211072 is an apocalyptic number.

122012211072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122012211072 is an abundant number, since it is smaller than the sum of its proper divisors (206185273728).

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

122012211072 is an equidigital number, since it uses as much as digits as its factorization.

122012211072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022123 (or 4022111 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

Adding to 122012211072 its reverse (270112210221), we get a palindrome (392124421293).

The spelling of 122012211072 in words is "one hundred twenty-two billion, twelve million, two hundred eleven thousand, seventy-two".