1212212000722 has 32 divisors (see below), whose sum is σ = 1944162324720. Its totient is φ = 565762579200.

The previous prime is 1212212000711. The next prime is 1212212000729. The reversal of 1212212000722 is 2270002122121.

It can be written as a sum of positive squares in 8 ways, for example, as 906835293841 + 305376706881 = 952279^2 + 552609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1212212000693 and 1212212000702.

It is not an unprimeable number, because it can be changed into a prime (1212212000729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1462029 + ... + 2135872.

Almost surely, 2^{1212212000722} is an apocalyptic number.

1212212000722 is a deficient number, since it is larger than the sum of its proper divisors (731950323998).

1212212000722 is a wasteful number, since it uses less digits than its factorization.

1212212000722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598126.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 1212212000722 its reverse (2270002122121), we get a palindrome (3482214122843).

The spelling of 1212212000722 in words is "one trillion, two hundred twelve billion, two hundred twelve million, seven hundred twenty-two", and thus it is an aban number.