122211012 has 48 divisors (see below), whose sum is σ = 355525632. Its totient is φ = 31742880.

The previous prime is 122210947. The next prime is 122211049. The reversal of 122211012 is 210112221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65208 + ... + 67055.

It is an arithmetic number, because the mean of its divisors is an integer number (7406784).

Almost surely, 2^122211012 is an apocalyptic number.

122211012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122211012 is an abundant number, since it is smaller than the sum of its proper divisors (233314620).

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

122211012 is a wasteful number, since it uses less digits than its factorization.

122211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132288 (or 132286 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 122211012 is about 11054.9089548490. The cubic root of 122211012 is about 496.2533446046.

Adding to 122211012 its reverse (210112221), we get a palindrome (332323233).

The spelling of 122211012 in words is "one hundred twenty-two million, two hundred eleven thousand, twelve".