12402261335 has 16 divisors (see below), whose sum is σ = 15044554656. Its totient is φ = 9814430208.

The previous prime is 12402261329. The next prime is 12402261371. The reversal of 12402261335 is 53316220421.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12402261335 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12402261298 and 12402261307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161867 + ... + 225843.

It is an arithmetic number, because the mean of its divisors is an integer number (940284666).

Almost surely, 2^12402261335 is an apocalyptic number.

12402261335 is a deficient number, since it is larger than the sum of its proper divisors (2642293321).

12402261335 is a wasteful number, since it uses less digits than its factorization.

12402261335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64402.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 12402261335 its reverse (53316220421), we get a palindrome (65718481756).

The spelling of 12402261335 in words is "twelve billion, four hundred two million, two hundred sixty-one thousand, three hundred thirty-five".