1302123412 has 24 divisors (see below), whose sum is σ = 2299070592. Its totient is φ = 645271200.

The previous prime is 1302123353. The next prime is 1302123413. The reversal of 1302123412 is 2143212031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1302123412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302123413) 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, 222273 + ... + 228055.

It is an arithmetic number, because the mean of its divisors is an integer number (95794608).

Almost surely, 2^1302123412 is an apocalyptic number.

It is an amenable number.

1302123412 is a deficient number, since it is larger than the sum of its proper divisors (996947180).

1302123412 is a wasteful number, since it uses less digits than its factorization.

1302123412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279 (or 6277 counting only the distinct ones).

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

The square root of 1302123412 is about 36084.9471663740. The cubic root of 1302123412 is about 1091.9867846263.

Adding to 1302123412 its reverse (2143212031), we get a palindrome (3445335443).

The spelling of 1302123412 in words is "one billion, three hundred two million, one hundred twenty-three thousand, four hundred twelve".