12021746074 has 32 divisors (see below), whose sum is σ = 19633432896. Its totient is φ = 5487730560.

The previous prime is 12021746071. The next prime is 12021746123. The reversal of 12021746074 is 47064712021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12021746071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039894 + ... + 1051390.

It is an arithmetic number, because the mean of its divisors is an integer number (613544778).

Almost surely, 2^12021746074 is an apocalyptic number.

12021746074 is a deficient number, since it is larger than the sum of its proper divisors (7611686822).

12021746074 is a wasteful number, since it uses less digits than its factorization.

12021746074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11950.

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 12021746074 in words is "twelve billion, twenty-one million, seven hundred forty-six thousand, seventy-four".