12400311135 has 16 divisors (see below), whose sum is σ = 20176778880. Its totient is φ = 6501405600.

The previous prime is 12400311097. The next prime is 12400311167. The reversal of 12400311135 is 53111300421.

It is not a de Polignac number, because 12400311135 - 2¹² = 12400307039 is a prime.

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, 7004941 + ... + 7006710.

It is an arithmetic number, because the mean of its divisors is an integer number (1261048680).

Almost surely, 2^12400311135 is an apocalyptic number.

12400311135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12400311135 is a deficient number, since it is larger than the sum of its proper divisors (7776467745).

12400311135 is a wasteful number, since it uses less digits than its factorization.

12400311135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14011718.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 12400311135 its reverse (53111300421), we get a palindrome (65511611556).

The spelling of 12400311135 in words is "twelve billion, four hundred million, three hundred eleven thousand, one hundred thirty-five".