1212122466 has 12 divisors (see below), whose sum is σ = 2626265382. Its totient is φ = 404040816.

The previous prime is 1212122459. The next prime is 1212122467. The reversal of 1212122466 is 6642212121.

It can be written as a sum of positive squares in only one way, i.e., 1086032025 + 126090441 = 32955^2 + 11229^2 .

It is not an unprimeable number, because it can be changed into a prime (1212122467) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33670051 + ... + 33670086.

Almost surely, 2^1212122466 is an apocalyptic number.

1212122466 is an abundant number, since it is smaller than the sum of its proper divisors (1414142916).

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

1212122466 is a wasteful number, since it uses less digits than its factorization.

1212122466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67340145 (or 67340142 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1212122466 is about 34815.5491985980. The cubic root of 1212122466 is about 1066.2249319133.

Adding to 1212122466 its reverse (6642212121), we get a palindrome (7854334587).

The spelling of 1212122466 in words is "one billion, two hundred twelve million, one hundred twenty-two thousand, four hundred sixty-six".