12034402506636 has 24 divisors (see below), whose sum is σ = 28081552821504. Its totient is φ = 4011284601360.

The previous prime is 12034402506613. The next prime is 12034402506673. The reversal of 12034402506636 is 63660520443021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22588320 + ... + 23114951.

It is an arithmetic number, because the mean of its divisors is an integer number (1170064700896).

Almost surely, 2^{12034402506636} is an apocalyptic number.

It is an amenable number.

12034402506636 is an abundant number, since it is smaller than the sum of its proper divisors (16047150314868).

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

12034402506636 is a wasteful number, since it uses less digits than its factorization.

12034402506636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45725221 (or 45725219 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

Adding to 12034402506636 its reverse (63660520443021), we get a palindrome (75694922949657).

The spelling of 12034402506636 in words is "twelve trillion, thirty-four billion, four hundred two million, five hundred six thousand, six hundred thirty-six".