3231212122 has 4 divisors (see below), whose sum is σ = 4846818186. Its totient is φ = 1615606060.

The previous prime is 3231212111. The next prime is 3231212123. The reversal of 3231212122 is 2212121323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2808046081 + 423166041 = 52991^2 + 20571^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3231212122.

It is not an unprimeable number, because it can be changed into a prime (3231212123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 807803029 + ... + 807803032.

Almost surely, 2^3231212122 is an apocalyptic number.

3231212122 is a deficient number, since it is larger than the sum of its proper divisors (1615606064).

3231212122 is a wasteful number, since it uses less digits than its factorization.

3231212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615606063.

The product of its digits is 288, while the sum is 19.

The square root of 3231212122 is about 56843.7518290269. The cubic root of 3231212122 is about 1478.3882078810.

Adding to 3231212122 its reverse (2212121323), we get a palindrome (5443333445).

The spelling of 3231212122 in words is "three billion, two hundred thirty-one million, two hundred twelve thousand, one hundred twenty-two".