30355499012 has 12 divisors (see below), whose sum is σ = 53135747280. Its totient is φ = 15173856936.

The previous prime is 30355498981. The next prime is 30355499021. The reversal of 30355499012 is 21099455303.

It is a super-2 number, since 2×30355499012² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955562 + ... + 986817.

It is an arithmetic number, because the mean of its divisors is an integer number (4427978940).

Almost surely, 2^30355499012 is an apocalyptic number.

It is an amenable number.

30355499012 is a deficient number, since it is larger than the sum of its proper divisors (22780248268).

30355499012 is a wasteful number, since it uses less digits than its factorization.

30355499012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946290 (or 1946288 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 30355499012 in words is "thirty billion, three hundred fifty-five million, four hundred ninety-nine thousand, twelve".