12402010309 has 8 divisors (see below), whose sum is σ = 13363905240. Its totient is φ = 11441243136.

The previous prime is 12402010307. The next prime is 12402010321. The reversal of 12402010309 is 90301020421.

It can be written as a sum of positive squares in 4 ways, for example, as 3574844100 + 8827166209 = 59790^2 + 93953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12402010309 - 2¹ = 12402010307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12402010309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402010307) 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, 259024 + ... + 303145.

It is an arithmetic number, because the mean of its divisors is an integer number (1670488155).

Almost surely, 2^12402010309 is an apocalyptic number.

It is an amenable number.

12402010309 is a deficient number, since it is larger than the sum of its proper divisors (961894931).

12402010309 is a wasteful number, since it uses less digits than its factorization.

12402010309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563879.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 12402010309 in words is "twelve billion, four hundred two million, ten thousand, three hundred nine".