1212313302 has 96 divisors (see below), whose sum is σ = 2810695680. Its totient is φ = 376833600.

The previous prime is 1212313301. The next prime is 1212313321. The reversal of 1212313302 is 2033132121.

It is a super-2 number, since 2×1212313302² = 2939407084412286408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212313301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3303123 + ... + 3303489.

It is an arithmetic number, because the mean of its divisors is an integer number (29278080).

Almost surely, 2^1212313302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212313302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405347840).

1212313302 is an abundant number, since it is smaller than the sum of its proper divisors (1598382378).

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

1212313302 is a wasteful number, since it uses less digits than its factorization.

1212313302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1212313302 is about 34818.2897627095. The cubic root of 1212313302 is about 1066.2808842970.

Adding to 1212313302 its reverse (2033132121), we get a palindrome (3245445423).

It can be divided in two parts, 12123 and 13302, that added together give a triangular number (25425 = T₂₂₅).

The spelling of 1212313302 in words is "one billion, two hundred twelve million, three hundred thirteen thousand, three hundred two".