12073429028 has 6 divisors (see below), whose sum is σ = 21128500806. Its totient is φ = 6036714512.

The previous prime is 12073429009. The next prime is 12073429033. The reversal of 12073429028 is 82092437021.

It can be written as a sum of positive squares in only one way, i.e., 10379941924 + 1693487104 = 101882^2 + 41152^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12073428982 and 12073429000.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1509178625 + ... + 1509178632.

It is an arithmetic number, because the mean of its divisors is an integer number (3521416801).

Almost surely, 2^12073429028 is an apocalyptic number.

It is an amenable number.

12073429028 is a deficient number, since it is larger than the sum of its proper divisors (9055071778).

12073429028 is a wasteful number, since it uses less digits than its factorization.

12073429028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018357261 (or 3018357259 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 12073429028 in words is "twelve billion, seventy-three million, four hundred twenty-nine thousand, twenty-eight".