12061635774 has 64 divisors (see below), whose sum is σ = 25017113088. Its totient is φ = 3874953600.

The previous prime is 12061635757. The next prime is 12061635791. The reversal of 12061635774 is 47753616021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12061635757) and next prime (12061635791).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4494237 + ... + 4496919.

It is an arithmetic number, because the mean of its divisors is an integer number (390892392).

Almost surely, 2^12061635774 is an apocalyptic number.

12061635774 is an abundant number, since it is smaller than the sum of its proper divisors (12955477314).

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

12061635774 is a wasteful number, since it uses less digits than its factorization.

12061635774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 12061635774 in words is "twelve billion, sixty-one million, six hundred thirty-five thousand, seven hundred seventy-four".