1212452322 has 16 divisors (see below), whose sum is σ = 2425719072. Its totient is φ = 404015040.

The previous prime is 1212452321. The next prime is 1212452333. The reversal of 1212452322 is 2232542121.

It is a junction number, because it is equal to n+sod(n) for n = 1212452292 and 1212452301.

It is not an unprimeable number, because it can be changed into a prime (1212452321) 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, 13648 + ... + 51099.

It is an arithmetic number, because the mean of its divisors is an integer number (151607442).

Almost surely, 2^1212452322 is an apocalyptic number.

1212452322 is an abundant number, since it is smaller than the sum of its proper divisors (1213266750).

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

1212452322 is a wasteful number, since it uses less digits than its factorization.

1212452322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67873.

The product of its digits is 1920, while the sum is 24.

The square root of 1212452322 is about 34820.2860700483. The cubic root of 1212452322 is about 1066.3216407314.

Adding to 1212452322 its reverse (2232542121), we get a palindrome (3444994443).

It can be divided in two parts, 12124 and 52322, that added together give a palindrome (64446).

The spelling of 1212452322 in words is "one billion, two hundred twelve million, four hundred fifty-two thousand, three hundred twenty-two".