30400402012 has 6 divisors (see below), whose sum is σ = 53200703528. Its totient is φ = 15200201004.

The previous prime is 30400402003. The next prime is 30400402013. The reversal of 30400402012 is 21020400403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30400402013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3800050248 + ... + 3800050255.

Almost surely, 2^30400402012 is an apocalyptic number.

It is an amenable number.

30400402012 is a deficient number, since it is larger than the sum of its proper divisors (22800301516).

30400402012 is a wasteful number, since it uses less digits than its factorization.

30400402012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7600100507 (or 7600100505 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 30400402012 its reverse (21020400403), we get a palindrome (51420802415).

The spelling of 30400402012 in words is "thirty billion, four hundred million, four hundred two thousand, twelve".