12029435946 has 36 divisors (see below), whose sum is σ = 28648620546. Its totient is φ = 3645282960.

The previous prime is 12029435923. The next prime is 12029435947. The reversal of 12029435946 is 64953492021.

12029435946 is a `hidden beast` number, since 1 + 2 + 0 + 294 + 359 + 4 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11270157921 + 759278025 = 106161^2 + 27555^2 .

It is not an unprimeable number, because it can be changed into a prime (12029435947) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2759401 + ... + 2763756.

Almost surely, 2^12029435946 is an apocalyptic number.

12029435946 is an abundant number, since it is smaller than the sum of its proper divisors (16619184600).

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

12029435946 is a wasteful number, since it uses less digits than its factorization.

12029435946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5523187 (or 5523173 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 12029435946 in words is "twelve billion, twenty-nine million, four hundred thirty-five thousand, nine hundred forty-six".