12135141246 has 32 divisors (see below), whose sum is σ = 25894142208. Its totient is φ = 3778037120.

The previous prime is 12135141223. The next prime is 12135141283. The reversal of 12135141246 is 64214153121.

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, 440730 + ... + 467453.

It is an arithmetic number, because the mean of its divisors is an integer number (809191944).

Almost surely, 2^12135141246 is an apocalyptic number.

12135141246 is an abundant number, since it is smaller than the sum of its proper divisors (13759000962).

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

12135141246 is a wasteful number, since it uses less digits than its factorization.

12135141246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908336.

The product of its digits is 5760, while the sum is 30.

Adding to 12135141246 its reverse (64214153121), we get a palindrome (76349294367).

The spelling of 12135141246 in words is "twelve billion, one hundred thirty-five million, one hundred forty-one thousand, two hundred forty-six".